diff --git a/voltha/adapters/bbsimolt/__init__.py b/voltha/adapters/bbsimolt/__init__.py
deleted file mode 100644
index b0fb0b2..0000000
--- a/voltha/adapters/bbsimolt/__init__.py
+++ /dev/null
@@ -1,13 +0,0 @@
-# Copyright 2017-present Open Networking Foundation
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
diff --git a/voltha/adapters/bbsimolt/bbsimolt.py b/voltha/adapters/bbsimolt/bbsimolt.py
deleted file mode 100644
index 313531d..0000000
--- a/voltha/adapters/bbsimolt/bbsimolt.py
+++ /dev/null
@@ -1,92 +0,0 @@
-#
-# Copyright 2018 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-"""
-BBSim adapter based on a acme adapter
-"""
-import structlog
-from copy import deepcopy
-
-from voltha.protos.device_pb2 import DeviceType
-from voltha.protos.adapter_pb2 import AdapterConfig
-from voltha.protos.adapter_pb2 import Adapter
-from voltha.protos.common_pb2 import LogLevel
-from voltha.adapters.openolt.openolt import OpenoltAdapter, OpenOltDefaults
-from voltha.adapters.bbsimolt.bbsimolt_flow_mgr import BBSimOltFlowMgr
-from voltha.adapters.bbsimolt.bbsimolt_statistics import BBSimOltStatisticsMgr
-from voltha.adapters.bbsimolt.bbsimolt_bw import BBSimOltBW
-from voltha.adapters.bbsimolt.bbsimolt_alarms import BBSimOltAlarmMgr
-from voltha.adapters.bbsimolt.bbsimolt_platform import BBSimOltPlatform
-from voltha.adapters.bbsimolt.bbsimolt_device import BBSimOltDevice
-
-log = structlog.get_logger()
-
-class BBSimOltAdapter(OpenoltAdapter):
-    name = 'bbsimolt'
-
-    supported_device_types = [
-        DeviceType(
-            id=name,
-            adapter=name,
-            accepts_bulk_flow_update=True,
-            accepts_direct_logical_flows_update=True
-        )
-    ]
-
-    def __init__(self, adapter_agent, config):
-        super(BBSimOltAdapter, self).__init__(adapter_agent, config)
-
-        # overwrite the descriptor
-        self.descriptor = Adapter(
-            id=self.name,
-            vendor='CORD',
-            version='0.1',
-            config=AdapterConfig(log_level=LogLevel.INFO)
-        )
-        self.bbsim_id = 17  #TODO: This should be modified later
-
-    def adopt_device(self, device):
-        self.bbsim_id += 1
-        log.info('adopt-device', device=device)
-
-        support_classes = deepcopy(OpenOltDefaults)['support_classes']
-
-        # Customize platform
-        support_classes['platform'] = BBSimOltPlatform
-        support_classes['flow_mgr'] = BBSimOltFlowMgr
-        support_classes['alarm_mgr'] = BBSimOltAlarmMgr
-        support_classes['stats_mgr'] = BBSimOltStatisticsMgr
-        support_classes['bw_mgr'] = BBSimOltBW
-        kwargs = {
-            'support_classes': support_classes,
-            'adapter_agent': self.adapter_agent,
-            'device': device,
-            'device_num': self.num_devices + 1,
-            'dp_id': '00:00:00:00:00:' + hex(self.bbsim_id)[-2:]
-        }
-        try:
-            self.devices[device.id] = BBSimOltDevice(**kwargs)
-        except Exception as e:
-            log.error('Failed to adopt BBSimOLT device', error=e)
-            del self.devices[device.id]
-            raise
-        else:
-            self.num_devices += 1
-
-    def delete_device(self, device):
-        self.bbsim_id -= 1
-        super(BBSimOltAdapter, self).delete_device(device)
-        self.num_devices -= 1
\ No newline at end of file
diff --git a/voltha/adapters/bbsimolt/bbsimolt_alarms.py b/voltha/adapters/bbsimolt/bbsimolt_alarms.py
deleted file mode 100644
index 66672f9..0000000
--- a/voltha/adapters/bbsimolt/bbsimolt_alarms.py
+++ /dev/null
@@ -1,467 +0,0 @@
-#
-# Copyright 2018 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-import arrow
-import voltha.adapters.openolt.openolt_platform as platform
-# from voltha.protos.device_pb2 import Port
-from voltha.extensions.alarms.adapter_alarms import AdapterAlarms
-from voltha.extensions.alarms.simulator.simulate_alarms import AdapterAlarmSimulator
-from voltha.extensions.alarms.olt.olt_los_alarm import OltLosAlarm
-from voltha.extensions.alarms.onu.onu_dying_gasp_alarm import OnuDyingGaspAlarm
-from voltha.extensions.alarms.onu.onu_los_alarm import OnuLosAlarm
-from voltha.extensions.alarms.onu.onu_lopc_miss_alarm import OnuLopcMissAlarm
-from voltha.extensions.alarms.onu.onu_lopc_mic_error_alarm import OnuLopcMicErrorAlarm
-from voltha.extensions.alarms.onu.onu_lob_alarm import OnuLobAlarm
-from voltha.adapters.bbsimolt.bbsimolt_platform import BBSimOltPlatform
-
-from voltha.extensions.alarms.onu.onu_startup_alarm import OnuStartupAlarm
-from voltha.extensions.alarms.onu.onu_signal_degrade_alarm import OnuSignalDegradeAlarm
-from voltha.extensions.alarms.onu.onu_signal_fail_alarm import OnuSignalFailAlarm
-from voltha.extensions.alarms.onu.onu_window_drift_alarm import OnuWindowDriftAlarm
-from voltha.extensions.alarms.onu.onu_activation_fail_alarm import OnuActivationFailAlarm
-
-import voltha.protos.device_pb2 as device_pb2
-
-
-class BBSimOltAlarmMgr(object):
-    def __init__(self, log, adapter_agent, device_id, logical_device_id):
-        """
-        20180711 -  Addition of adapter_agent and device_id
-            to facilitate alarm processing and kafka posting
-        :param log:
-        :param adapter_agent:
-        :param device_id:
-        """
-        self.log = log
-        self.platform = BBSimOltPlatform(log)
-        self.adapter_agent = adapter_agent
-        self.device_id = device_id
-        self.logical_device_id = logical_device_id
-        """
-        The following is added to reduce the continual posting of OLT LOS alarming
-        to Kafka.   Set enable_alarm_suppress = true to enable  otherwise the
-        current openolt bal will send continuous olt los alarm cleared messages
-        ONU disc raised counter is place holder for a future addition
-        """
-        self.enable_alarm_suppress = True
-        self.alarm_suppress = {"olt_los_clear": 0, "onu_disc_raised": []}  # Keep count of alarms to limit.
-        try:
-            self.alarms = AdapterAlarms(self.adapter_agent, self.device_id, self.logical_device_id)
-            self.simulator = AdapterAlarmSimulator(self.alarms)
-        except Exception as initerr:
-            self.log.exception("alarmhandler-init-error", errmsg=initerr.message)
-            raise Exception(initerr)
-
-    def process_alarms(self, alarm_ind):
-        try:
-            self.log.debug('alarm-indication', alarm=alarm_ind, device_id=self.device_id)
-            if alarm_ind.HasField('los_ind'):
-                self.los_indication(alarm_ind.los_ind)
-            elif alarm_ind.HasField('dying_gasp_ind'):
-                self.dying_gasp_indication(alarm_ind.dying_gasp_ind)
-            elif alarm_ind.HasField('onu_alarm_ind'):
-                self.onu_alarm_indication(alarm_ind.onu_alarm_ind)
-            elif alarm_ind.HasField('onu_startup_fail_ind'):
-                self.onu_startup_failure_indication(
-                    alarm_ind.onu_startup_fail_ind)
-            elif alarm_ind.HasField('onu_signal_degrade_ind'):
-                self.onu_signal_degrade_indication(
-                    alarm_ind.onu_signal_degrade_ind)
-            elif alarm_ind.HasField('onu_drift_of_window_ind'):
-                self.onu_drift_of_window_indication(
-                    alarm_ind.onu_drift_of_window_ind)
-            elif alarm_ind.HasField('onu_loss_omci_ind'):
-                self.onu_loss_omci_indication(alarm_ind.onu_loss_omci_ind)
-            elif alarm_ind.HasField('onu_signals_fail_ind'):
-                self.onu_signals_failure_indication(
-                    alarm_ind.onu_signals_fail_ind)
-            elif alarm_ind.HasField('onu_tiwi_ind'):
-                self.onu_transmission_interference_warning(
-                    alarm_ind.onu_tiwi_ind)
-            elif alarm_ind.HasField('onu_activation_fail_ind'):
-                self.onu_activation_failure_indication(
-                    alarm_ind.onu_activation_fail_ind)
-            elif alarm_ind.HasField('onu_processing_error_ind'):
-                self.onu_processing_error_indication(
-                    alarm_ind.onu_processing_error_ind)
-            else:
-                self.log.warn('unknown alarm type', alarm=alarm_ind)
-
-        except Exception as e:
-            self.log.error('sorting of alarm went wrong', error=e,
-                           alarm=alarm_ind)
-
-    def simulate_alarm(self, alarm):
-        self.simulator.simulate_alarm(alarm)
-
-    def los_indication(self, los_ind):
-
-        try:
-            self.log.debug('los indication received', los_ind=los_ind,
-                           int_id=los_ind.intf_id, status=los_ind.status)
-            try:
-                port_type_name = self.platform.intf_id_to_port_type_name(los_ind.intf_id)
-                if los_ind.status == 1 or los_ind.status == "on":
-                    # Zero out the suppression counter on OLT_LOS raise
-                    self.alarm_suppress['olt_los_clear'] = 0
-                    OltLosAlarm(self.alarms, intf_id=los_ind.intf_id, port_type_name=port_type_name).raise_alarm()
-                else:
-                    """ 
-                        Check if there has been more that one los clear following a previous los
-                    """
-                    if self.alarm_suppress['olt_los_clear'] == 0 and self.enable_alarm_suppress:
-                        OltLosAlarm(self.alarms, intf_id=los_ind.intf_id, port_type_name=port_type_name).clear_alarm()
-                        self.alarm_suppress['olt_los_clear'] += 1
-
-            except Exception as alarm_err:
-                self.log.error('los-indication', errmsg=alarm_err.message)
-        except Exception as e:
-            self.log.error('los-indication', errmsg=e.message)
-
-    def dying_gasp_indication(self, dying_gasp_ind):
-        try:
-            alarm_dgi = dying_gasp_ind
-            onu_id = alarm_dgi.onu_id
-            self.log.debug('openolt-alarmindication-dispatch-dying-gasp', int_id=alarm_dgi.intf_id,
-                           onu_id=alarm_dgi.onu_id, status=alarm_dgi.status)
-            try:
-                """
-                Get the specific onu device information for the onu generating the alarm.
-                Extract the id.   In the future extract the serial number as well
-                """
-                onu_device_id = "unresolved"
-                onu_serial_number = "unresolved"
-                onu_device = self.resolve_onu_id(onu_id, port_intf_id=alarm_dgi.intf_id)
-                if onu_device != None:
-                    onu_device_id = onu_device.id
-                    onu_serial_number = onu_device.serial_number
-
-                if dying_gasp_ind.status == 1 or dying_gasp_ind.status == "on":
-                    OnuDyingGaspAlarm(self.alarms, dying_gasp_ind.intf_id,
-                                      onu_device_id).raise_alarm()
-                else:
-                    OnuDyingGaspAlarm(self.alarms, dying_gasp_ind.intf_id,
-                                      onu_device_id).clear_alarm()
-            except Exception as alarm_err:
-                self.log.exception('dying-gasp-indication', errmsg=alarm_err.message)
-
-        except Exception as e:
-            self.log.error('dying_gasp_indication', error=e)
-
-    def onu_alarm_indication(self, onu_alarm_ind):
-        """
-        LOB = Los of burst
-        LOPC = Loss of PLOAM miss channel
-
-        :param onu_alarm_ind:  Alarm indication which currently contains
-            onu_id:
-            los_status:
-            lob_status:
-            lopc_miss_status:
-            lopc_mic_error_status:
-        :return:
-        """
-        self.log.info('onu-alarm-indication')
-
-        try:
-            self.log.debug('onu alarm indication received', los_status=onu_alarm_ind.los_status,
-                           onu_intf_id=onu_alarm_ind.onu_id,
-                           lob_status=onu_alarm_ind.lob_status,
-                           lopc_miss_status=onu_alarm_ind.lopc_miss_status,
-                           lopc_mic_error_status=onu_alarm_ind.lopc_mic_error_status,
-                           intf_id=onu_alarm_ind.intf_id
-                           )
-
-            try:
-                """
-                    Get the specific onu device information for the onu generating the alarm.
-                    Extract the id.   In the future extract the serial number as well
-                """
-                onu_device_id = "unresolved"
-                serial_number = "unresolved"
-                onu_device = self.resolve_onu_id(onu_alarm_ind.onu_id,  port_intf_id=onu_alarm_ind.intf_id)
-                if onu_device != None:
-                    onu_device_id = onu_device.id
-                    serial_number = onu_device.serial_number
-
-                if onu_alarm_ind.los_status == 1 or onu_alarm_ind.los_status == "on":
-                    OnuLosAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).raise_alarm()
-                elif onu_alarm_ind.los_status == 0 or onu_alarm_ind.los_status == "off":
-                    OnuLosAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).clear_alarm()
-                else:     # No Change
-                    pass
-
-                if onu_alarm_ind.lopc_miss_status == 1 or onu_alarm_ind.lopc_miss_status == "on":
-                    OnuLopcMissAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).raise_alarm()
-                elif (onu_alarm_ind.lopc_miss_status == 0 or onu_alarm_ind.lopc_miss_status == "off"):
-                    OnuLopcMissAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).clear_alarm()
-                else:     # No Change
-                    pass
-
-                if onu_alarm_ind.lopc_mic_error_status == 1 or onu_alarm_ind.lopc_mic_error_status == "on":
-                    OnuLopcMicErrorAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).raise_alarm()
-                elif onu_alarm_ind.lopc_mic_error_status == 0 or onu_alarm_ind.lopc_mic_error_status == "off":
-                    OnuLopcMicErrorAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).clear_alarm()
-                else:     # No Change
-                    pass
-
-                if onu_alarm_ind.lob_status == 1 or onu_alarm_ind.lob_status == "on":
-                    OnuLobAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).raise_alarm()
-                elif onu_alarm_ind.lob_status == 0 or onu_alarm_ind.lob_status == "off":
-                    OnuLobAlarm(self.alarms, onu_id=onu_device_id, intf_id=onu_alarm_ind.intf_id).clear_alarm()
-                else:     # No Change
-                    pass
-            except Exception as alarm_err:
-                self.log.exception('onu-alarm-indication', errmsg=alarm_err.message)
-
-        except Exception as e:
-            self.log.exception('onu-alarm-indication', errmsg=e.message)
-
-    def onu_startup_failure_indication(self, onu_startup_fail_ind):
-        """
-        Current protobuf indicator:
-        message OnuStartupFailureIndication {
-                fixed32 intf_id = 1;
-                fixed32 onu_id = 2;
-                string status = 3;
-            }
-
-        :param onu_startup_fail_ind:
-        :return:
-        """
-        try:
-            ind = onu_startup_fail_ind
-            label = "onu-startup-failure-indication"
-            self.log.debug(label + " received", onu_startup_fail_ind=ind, int_id=ind.intf_id, onu_id=ind.onu_id, status=ind.status)
-            try:
-                if ind.status == 1 or ind.status == "on":
-                    OnuStartupAlarm(self.alarms, intf_id=ind.intf_id,onu_id=ind.onu_id).raise_alarm()
-                else:
-                    OnuStartupAlarm(self.alarms, intf_id=ind.intf_id, onu_id=ind.onu_id).clear_alarm()
-            except Exception as alarm_err:
-                self.log.exception(label, errmsg=alarm_err.message)
-
-        except Exception as e:
-            self.log.exception(label, errmsg=e.message)
-
-    def onu_signal_degrade_indication(self, onu_signal_degrade_ind):
-        """
-        Current protobuf indicator:
-        OnuSignalDegradeIndication {
-            fixed32 intf_id = 1;
-            fixed32 onu_id = 2;
-            string status = 3;
-            fixed32 inverse_bit_error_rate = 4;
-        }
-        :param onu_signal_degrade_ind:
-        :return:
-        """
-        try:
-            ind = onu_signal_degrade_ind
-            label = "onu-signal-degrade-indication"
-            self.log.debug(label + ' received',
-                           onu_startup_fail_ind=ind,
-                           int_id=ind.intf_id,
-                           onu_id=ind.onu_id,
-                           inverse_bit_error_rate=ind.inverse_bit_error_rate,
-                           status=ind.status)
-            try:
-                if ind.status == 1 or ind.status == "on":
-                    OnuSignalDegradeAlarm(self.alarms, intf_id=ind.intf_id, onu_id=ind.onu_id,
-                                          inverse_bit_error_rate=ind.inverse_bit_error_rate).raise_alarm()
-                else:
-                    OnuSignalDegradeAlarm(self.alarms, intf_id=ind.intf_id, onu_id=ind.onu_id,
-                                          inverse_bit_error_rate=ind.inverse_bit_error_rate).clear_alarm()
-            except Exception as alarm_err:
-                self.log.exception(label, errmsg=alarm_err.message)
-
-        except Exception as e:
-            self.log.exception(label, errmsg=e.message)
-
-    def onu_drift_of_window_indication(self, onu_drift_of_window_ind):
-        """
-        Current protobuf indicator:
-        OnuDriftOfWindowIndication {
-            fixed32 intf_id = 1;
-            fixed32 onu_id = 2;
-            string status = 3;
-            fixed32 drift = 4;
-            fixed32 new_eqd = 5;
-        }
-
-        :param onu_drift_of_window_ind:
-        :return:
-        """
-        try:
-            ind = onu_drift_of_window_ind
-            label = "onu-window-drift-indication"
-
-            onu_device_id, onu_serial_number = self.resolve_onudev_id_onudev_serialnum(
-                self.resolve_onu_id(ind.onu_id, port_intf_id=ind.intf_id))
-
-            self.log.debug(label + ' received',
-                           onu_drift_of_window_ind=ind,
-                           int_id=ind.intf_id,
-                           onu_id=ind.onu_id,
-                           onu_device_id=onu_device_id,
-                           drift=ind.drift,
-                           new_eqd=ind.new_eqd,
-                           status=ind.status)
-            try:
-                if ind.status == 1 or ind.status == "on":
-                    OnuWindowDriftAlarm(self.alarms, intf_id=ind.intf_id,
-                           onu_id=onu_device_id,
-                           drift=ind.drift,
-                           new_eqd=ind.new_eqd).raise_alarm()
-                else:
-                    OnuWindowDriftAlarm(self.alarms, intf_id=ind.intf_id,
-                           onu_id=onu_device_id,
-                           drift=ind.drift,
-                           new_eqd=ind.new_eqd).clear_alarm()
-            except Exception as alarm_err:
-                self.log.exception(label, errmsg=alarm_err.message)
-
-        except Exception as e:
-            self.log.exception(label, errmsg=e.message)
-
-    def onu_loss_omci_indication(self, onu_loss_omci_ind):
-        self.log.info('not implemented yet')
-
-    def onu_signals_failure_indication(self, onu_signals_fail_ind):
-        """
-        Current protobuf indicator:
-        OnuSignalsFailureIndication {
-            fixed32 intf_id = 1;
-            fixed32 onu_id = 2;
-            string status = 3;
-            fixed32 inverse_bit_error_rate = 4;
-        }
-
-        :param onu_signals_fail_ind:
-        :return:
-        """
-        try:
-            ind = onu_signals_fail_ind
-            label = "onu-signal-failure-indication"
-
-            onu_device_id, onu_serial_number = self.resolve_onudev_id_onudev_serialnum(
-                self.resolve_onu_id(ind.onu_id, port_intf_id=ind.intf_id))
-
-            self.log.debug(label + ' received',
-                           onu_startup_fail_ind=ind,
-                           int_id=ind.intf_id,
-                           onu_id=ind.onu_id,
-                           onu_device_id=onu_device_id,
-                           onu_serial_number=onu_serial_number,
-                           inverse_bit_error_rate=ind.inverse_bit_error_rate,
-                           status=ind.status)
-            try:
-                if ind.status == 1 or ind.status == "on":
-                    OnuSignalFailAlarm(self.alarms, intf_id=ind.intf_id,
-                           onu_id=onu_device_id,
-                           inverse_bit_error_rate=ind.inverse_bit_error_rate).raise_alarm()
-                else:
-                    OnuSignalFailAlarm(self.alarms, intf_id=ind.intf_id,
-                           onu_id=onu_device_id,
-                           inverse_bit_error_rate=ind.inverse_bit_error_rate).clear_alarm()
-            except Exception as alarm_err:
-                self.log.exception(label, errmsg=alarm_err.message)
-
-        except Exception as e:
-            self.log.exception(label, errmsg=e.message)
-
-
-    def onu_transmission_interference_warning(self, onu_tiwi_ind):
-        self.log.info('not implemented yet')
-
-    def onu_activation_failure_indication(self, onu_activation_fail_ind):
-        """
-
-        No status is currently passed with this alarm. Consequently it will always just raise
-        :param onu_activation_fail_ind:
-        :return:
-        """
-        try:
-            ind = onu_activation_fail_ind
-            label = "onu-activation-failure-indication"
-
-            onu_device_id, onu_serial_number = self.resolve_onudev_id_onudev_serialnum(
-                self.resolve_onu_id(ind.onu_id, port_intf_id=ind.intf_id))
-
-            self.log.debug(label + ' received',
-                           onu_startup_fail_ind=ind,
-                           int_id=ind.intf_id,
-                           onu_id=ind.onu_id,
-                           onu_device_id=onu_device_id,
-                           onu_serial_number=onu_serial_number)
-            try:
-
-                OnuActivationFailAlarm(self.alarms, intf_id=ind.intf_id,
-                       onu_id=onu_device_id).raise_alarm()
-            except Exception as alarm_err:
-                self.log.exception(label, errmsg=alarm_err.message)
-
-        except Exception as e:
-            self.log.exception(label, errmsg=e.message)
-
-    def onu_processing_error_indication(self, onu_processing_error_ind):
-        self.log.info('not implemented yet')
-
-    """
-    Helper Methods
-    """
-
-    def resolve_onudev_id_onudev_serialnum(self,onu_device):
-        """
-        Convenience wrapper to resolve device_id and serial number
-        :param onu_device:
-        :return: tuple: onu_device_id, onu_serial_number
-        """
-        try:
-            onu_device_id = "unresolved"
-            onu_serial_number = "unresolved"
-            if onu_device != None:
-                onu_device_id = onu_device.id
-                onu_serial_number = onu_device.serial_number
-        except Exception as err:
-            self.log.exception("openolt-alarms-resolve-onudev-id  ", errmsg=err.message)
-            raise Exception(err)
-        return onu_device_id, onu_serial_number
-
-    def resolve_onu_id(self, onu_id, port_intf_id):
-        """
-        Resolve the onu_device from the intf_id value and port. Uses the adapter agent to
-        resolve this..
-
-        Returns None if not found. Caller will have to test for None and act accordingly.
-        :param onu_id:
-        :param port_intf_id:
-        :return:
-        """
-
-        try:
-            onu_device = None
-            onu_device = self.adapter_agent.get_child_device(
-                self.device_id,
-                parent_port_no=self.platform.intf_id_to_port_no(
-                    port_intf_id, device_pb2.Port.PON_OLT),
-                onu_id=onu_id)
-            onu_device_id = onu_device.id
-        except Exception as inner:
-            self.log.exception('resolve-onu-id', errmsg=inner.message)
-
-        return onu_device
-
diff --git a/voltha/adapters/bbsimolt/bbsimolt_bw.py b/voltha/adapters/bbsimolt/bbsimolt_bw.py
deleted file mode 100644
index c31029f..0000000
--- a/voltha/adapters/bbsimolt/bbsimolt_bw.py
+++ /dev/null
@@ -1,41 +0,0 @@
-#
-# Copyright 2018 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-DEFAULT_ONU_BW_PROFILE = "default"
-DEFAULT_ONU_PIR = 1000000  # 1Gbps
-
-
-class BBSimOltBW(object):
-
-    def __init__(self, log, proxy):
-        self.log = log
-        self.proxy = proxy
-
-    def pir(self, serial_number):
-        bw = 0
-        try:
-            bw = self.proxy.get(
-                '/traffic_descriptor_profiles/{}'.format(serial_number))
-        except KeyError:
-            self.log.debug('bandwidth not configured',
-                          serial_number=serial_number)
-            try:
-                bw = self.proxy.get('/traffic_descriptor_profiles/{}' \
-                                    .format(DEFAULT_ONU_BW_PROFILE))
-            except KeyError:
-                return DEFAULT_ONU_PIR
-
-        return bw.maximum_bandwidth
diff --git a/voltha/adapters/bbsimolt/bbsimolt_device.py b/voltha/adapters/bbsimolt/bbsimolt_device.py
deleted file mode 100644
index 8bce86f..0000000
--- a/voltha/adapters/bbsimolt/bbsimolt_device.py
+++ /dev/null
@@ -1,984 +0,0 @@
-#
-# Copyright 2018 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-from twisted.internet import reactor
-import threading
-import binascii
-import grpc
-
-
-from scapy.layers.l2 import Ether, Dot1Q
-from voltha.adapters.bbsimolt.bbsimolt_alarms import BBSimOltAlarmMgr
-from voltha.adapters.bbsimolt.bbsimolt_statistics import BBSimOltStatisticsMgr
-from voltha.adapters.bbsimolt.bbsimolt_bw import BBSimOltBW
-from voltha.adapters.bbsimolt.bbsimolt_platform import BBSimOltPlatform
-from voltha.adapters.bbsimolt.bbsimolt_flow_mgr import BBSimOltFlowMgr
-from voltha.protos.device_pb2 import Port, Device
-from voltha.adapters.openolt.protos import openolt_pb2, openolt_pb2_grpc
-from voltha.adapters.openolt.openolt_device import OpenoltDevice
-from voltha.protos.common_pb2 import ConnectStatus, OperStatus, AdminState
-from voltha.protos.bbf_fiber_tcont_body_pb2 import TcontsConfigData
-from voltha.protos.bbf_fiber_gemport_body_pb2 import GemportsConfigData
-from voltha.protos.bbf_fiber_base_pb2 import VEnetConfig
-from voltha.extensions.alarms.onu.onu_discovery_alarm import OnuDiscoveryAlarm
-from voltha.protos.openflow_13_pb2 import OFPPS_LIVE, OFPPF_FIBER, \
-    OFPPS_LINK_DOWN, OFPPF_1GB_FD, OFPC_GROUP_STATS, OFPC_PORT_STATS, \
-    OFPC_TABLE_STATS, OFPC_FLOW_STATS, ofp_switch_features, ofp_port, \
-    ofp_port_stats, ofp_desc
-from voltha.protos.logical_device_pb2 import LogicalPort
-from voltha.core.logical_device_agent import mac_str_to_tuple
-
-
-from voltha.registry import registry
-
-class BBSimOltDevice(OpenoltDevice):
-    def __init__(self, **kwargs):
-        super(BBSimOltDevice, self).__init__(**kwargs)
-
-    def do_state_init(self, event):
-        # Initialize gRPC
-        self.channel = grpc.insecure_channel(self.host_and_port)
-        self.stub = openolt_pb2_grpc.OpenoltStub(self.channel)
-        self.channel_ready_future = grpc.channel_ready_future(self.channel)
-
-        self.alarm_mgr = BBSimOltAlarmMgr(self.log, self.adapter_agent,
-                                         self.device_id,
-                                         self.logical_device_id)
-        self.stats_mgr = BBSimOltStatisticsMgr(self, self.log)
-        self.bw_mgr = BBSimOltBW(self.log, self.proxy)
-
-        self.log.info('openolt-device-created', device_id=self.device_id)
-
-    def post_init(self, event):
-        self.log.debug('post_init')
-
-        # We have reached init state, starting the indications thread
-
-        # Catch RuntimeError exception
-        try:
-            # Start indications thread
-            self.indications_thread_handle = threading.Thread(
-                target=self.indications_thread)
-            # Old getter/setter API for daemon; use it directly as a
-            # property instead. The Jinkins error will happon on the reason of
-            # Exception in thread Thread-1 (most likely raised # during
-            # interpreter shutdown)
-            self.indications_thread_handle.setDaemon(True)
-            self.indications_thread_handle.start()
-        except Exception as e:
-            self.log.exception('post_init failed', e=e)
-
-    def do_state_connected(self, event):
-        self.log.debug("do_state_connected")
-
-        device = self.adapter_agent.get_device(self.device_id)
-
-        device_info = self.stub.GetDeviceInfo(openolt_pb2.Empty())
-        self.log.info('Device connected', device_info=device_info)
-
-        device.vendor = device_info.vendor
-        device.model = device_info.model
-        device.hardware_version = device_info.hardware_version
-        device.firmware_version = device_info.firmware_version
-        self.platform = BBSimOltPlatform(self.log)
-        self.flow_mgr = BBSimOltFlowMgr(self.log, self.stub, self.device_id,
-                                       self.logical_device_id)
-
-        # TODO: use content of device_info for Resource manager (VOL-948)
-
-        # TODO: check for uptime and reboot if too long (VOL-1192)
-
-        device.connect_status = ConnectStatus.REACHABLE
-        self.adapter_agent.update_device(device)
-
-    def do_state_up(self, event):
-        self.log.debug("do_state_up")
-
-        device = self.adapter_agent.get_device(self.device_id)
-
-        # Update phys OF device
-        device.parent_id = self.logical_device_id
-        device.oper_status = OperStatus.ACTIVE
-        self.adapter_agent.update_device(device)
-
-    def do_state_down(self, event):
-        self.log.debug("do_state_down", device = self, device_id = self.device_id)
-        oper_state = OperStatus.UNKNOWN
-        connect_state = ConnectStatus.UNREACHABLE
-
-        # Propagating to the children
-
-        # Children ports
-        child_devices = self.adapter_agent.get_child_devices(self.device_id)
-        for onu_device in child_devices:
-            uni_no = self.platform.mk_uni_port_num(
-                onu_device.proxy_address.channel_id,
-                onu_device.proxy_address.onu_id)
-            uni_name = self.port_name(uni_no, Port.ETHERNET_UNI,
-                                      serial_number=onu_device.serial_number)
-            onu_adapter_agent = \
-                registry('adapter_loader').get_agent(onu_device.adapter)
-            onu_adapter_agent.update_interface(onu_device,
-                                               {'oper_state': 'down'})
-            self.onu_ports_down(onu_device, uni_no, uni_name, oper_state)
-        # Children devices
-        self.adapter_agent.update_child_devices_state(
-            self.device_id, oper_status=oper_state,
-            connect_status=connect_state)
-        # Device Ports
-        device_ports = self.adapter_agent.get_ports(self.device_id,
-                                                    Port.ETHERNET_NNI)
-        logical_ports_ids = [port.label for port in device_ports]
-        device_ports += self.adapter_agent.get_ports(self.device_id,
-                                                     Port.PON_OLT)
-
-        for port in device_ports:
-            port.oper_status = oper_state
-            self.adapter_agent.add_port(self.device_id, port)
-
-        # Device logical port
-        for logical_port_id in logical_ports_ids:
-            logical_port = self.adapter_agent.get_logical_port(
-                self.logical_device_id, logical_port_id)
-            logical_port.ofp_port.state = OFPPS_LINK_DOWN
-            self.adapter_agent.update_logical_port(self.logical_device_id,
-                                                   logical_port)
-
-        # Device
-        device = self.adapter_agent.get_device(self.device_id)
-        device.oper_status = oper_state
-        device.connect_status = connect_state
-
-        reactor.callLater(2, self.adapter_agent.update_device, device)
-
-    # def post_up(self, event):
-    #     self.log.debug('post-up')
-    #     self.flow_mgr.reseed_flows()
-
-    def post_down(self, event):
-        self.log.debug('post_down')
-        self.flow_mgr.reset_flows()
-
-
-    def indications_thread(self):
-        self.log.debug('starting-indications-thread')
-        self.log.debug('connecting to olt', device_id=self.device_id)
-        self.channel_ready_future.result()  # blocking call
-        self.log.info('connected to olt', device_id=self.device_id)
-        self.go_state_connected()
-
-        self.indications = self.stub.EnableIndication(openolt_pb2.Empty())
-
-        while True:
-            try:
-                # get the next indication from olt
-                ind = next(self.indications)
-            except Exception as e:
-                self.log.warn('gRPC connection lost', error=e)
-                reactor.callFromThread(self.go_state_down)
-                reactor.callFromThread(self.go_state_init)
-                break
-            else:
-                self.log.debug("rx indication", indication=ind)
-
-                # indication handlers run in the main event loop
-                if ind.HasField('olt_ind'):
-                    reactor.callFromThread(self.olt_indication, ind.olt_ind)
-                elif ind.HasField('intf_ind'):
-                    reactor.callFromThread(self.intf_indication, ind.intf_ind)
-                elif ind.HasField('intf_oper_ind'):
-                    reactor.callFromThread(self.intf_oper_indication,
-                                           ind.intf_oper_ind)
-                elif ind.HasField('onu_disc_ind'):
-                    reactor.callFromThread(self.onu_discovery_indication,
-                                           ind.onu_disc_ind)
-                elif ind.HasField('onu_ind'):
-                    reactor.callFromThread(self.onu_indication, ind.onu_ind)
-                elif ind.HasField('omci_ind'):
-                    reactor.callFromThread(self.omci_indication, ind.omci_ind)
-                elif ind.HasField('pkt_ind'):
-                    reactor.callFromThread(self.packet_indication, ind.pkt_ind)
-                elif ind.HasField('port_stats'):
-                    reactor.callFromThread(
-                            self.stats_mgr.port_statistics_indication,
-                            ind.port_stats)
-                elif ind.HasField('flow_stats'):
-                    reactor.callFromThread(
-                            self.stats_mgr.flow_statistics_indication,
-                            ind.flow_stats)
-                elif ind.HasField('alarm_ind'):
-                    reactor.callFromThread(self.alarm_mgr.process_alarms,
-                                           ind.alarm_ind)
-                else:
-                    self.log.warn('unknown indication type')
-
-    def olt_indication(self, olt_indication):
-        if olt_indication.oper_state == "up":
-            self.go_state_up()
-        elif olt_indication.oper_state == "down":
-            self.go_state_down()
-
-    def intf_indication(self, intf_indication):
-        self.log.debug("intf indication", intf_id=intf_indication.intf_id,
-                       oper_state=intf_indication.oper_state)
-
-        if intf_indication.oper_state == "up":
-            oper_status = OperStatus.ACTIVE
-        else:
-            oper_status = OperStatus.DISCOVERED
-
-        # add_port update the port if it exists
-        self.add_port(intf_indication.intf_id, Port.PON_OLT, oper_status)
-
-    def intf_oper_indication(self, intf_oper_indication):
-        self.log.debug("Received interface oper state change indication",
-                       intf_id=intf_oper_indication.intf_id,
-                       type=intf_oper_indication.type,
-                       oper_state=intf_oper_indication.oper_state)
-
-        if intf_oper_indication.oper_state == "up":
-            oper_state = OperStatus.ACTIVE
-        else:
-            oper_state = OperStatus.DISCOVERED
-
-        if intf_oper_indication.type == "nni":
-
-            # FIXME - creating logical port for 2nd interface throws exception!
-            if intf_oper_indication.intf_id != 0:
-                return
-
-            # add_(logical_)port update the port if it exists
-            port_no, label = self.add_port(intf_oper_indication.intf_id,
-                                           Port.ETHERNET_NNI, oper_state)
-            self.log.debug("int_oper_indication", port_no=port_no, label=label)
-            self.add_logical_port(port_no, intf_oper_indication.intf_id,
-                                  oper_state)
-
-        elif intf_oper_indication.type == "pon":
-            # FIXME - handle PON oper state change
-            pass
-
-    def onu_discovery_indication(self, onu_disc_indication):
-        intf_id = onu_disc_indication.intf_id
-        serial_number = onu_disc_indication.serial_number
-
-        serial_number_str = self.stringify_serial_number(serial_number)
-
-        self.log.debug("onu discovery indication", intf_id=intf_id,
-                       serial_number=serial_number_str)
-
-        # Post ONU Discover alarm  20180809_0805
-        try:
-            OnuDiscoveryAlarm(self.alarm_mgr.alarms, pon_id=intf_id,
-                              serial_number=serial_number_str).raise_alarm()
-        except Exception as disc_alarm_error:
-            self.log.exception("onu-discovery-alarm-error",
-                               errmsg=disc_alarm_error.message)
-            # continue for now.
-
-        onu_device = self.adapter_agent.get_child_device(
-            self.device_id,
-            serial_number=serial_number_str)
-
-        if onu_device is None:
-            onu_id = self.new_onu_id(intf_id)
-            try:
-                self.add_onu_device(
-                    intf_id,
-                    self.platform.intf_id_to_port_no(intf_id, Port.PON_OLT),
-                    onu_id, serial_number)
-                self.activate_onu(intf_id, onu_id, serial_number,
-                                  serial_number_str)
-            except Exception as e:
-                self.log.exception('onu-activation-failed', e=e)
-
-        else:
-            if onu_device.connect_status != ConnectStatus.REACHABLE:
-                    onu_device.connect_status = ConnectStatus.REACHABLE
-                    self.adapter_agent.update_device(onu_device)
-
-            onu_id = onu_device.proxy_address.onu_id
-            if onu_device.oper_status == OperStatus.DISCOVERED \
-               or onu_device.oper_status == OperStatus.ACTIVATING:
-                self.log.debug("ignore onu discovery indication, \
-                               the onu has been discovered and should be \
-                               activating shorlty", intf_id=intf_id,
-                               onu_id=onu_id, state=onu_device.oper_status)
-            elif onu_device.oper_status == OperStatus.ACTIVE:
-                self.log.warn("onu discovery indication whereas onu is \
-                              supposed to be active",
-                              intf_id=intf_id, onu_id=onu_id,
-                              state=onu_device.oper_status)
-            elif onu_device.oper_status == OperStatus.UNKNOWN:
-                self.log.info("onu in unknown state, recovering from olt \
-                              reboot probably, activate onu", intf_id=intf_id,
-                              onu_id=onu_id, serial_number=serial_number_str)
-
-                onu_device.oper_status = OperStatus.DISCOVERED
-                self.adapter_agent.update_device(onu_device)
-                try:
-                    self.activate_onu(intf_id, onu_id, serial_number,
-                                      serial_number_str)
-                except Exception as e:
-                    self.log.error('onu-activation-error',
-                                   serial_number=serial_number_str, error=e)
-            else:
-                self.log.warn('unexpected state', onu_id=onu_id,
-                              onu_device_oper_state=onu_device.oper_status)
-
-    def onu_indication(self, onu_indication):
-        self.log.debug("onu indication", intf_id=onu_indication.intf_id,
-                       onu_id=onu_indication.onu_id,
-                       serial_number=onu_indication.serial_number,
-                       oper_state=onu_indication.oper_state,
-                       admin_state=onu_indication.admin_state)
-        try:
-            serial_number_str = self.stringify_serial_number(
-                onu_indication.serial_number)
-        except Exception as e:
-            serial_number_str = None
-
-        if serial_number_str is not None:
-            onu_device = self.adapter_agent.get_child_device(
-                    self.device_id,
-                    serial_number=serial_number_str)
-        else:
-            onu_device = self.adapter_agent.get_child_device(
-                    self.device_id,
-                    parent_port_no=self.platform.intf_id_to_port_no(
-                            onu_indication.intf_id, Port.PON_OLT),
-                    onu_id=onu_indication.onu_id)
-
-        if onu_device is None:
-            self.log.error('onu not found', intf_id=onu_indication.intf_id,
-                           onu_id=onu_indication.onu_id)
-            return
-
-        if self.platform.intf_id_from_pon_port_no(onu_device.parent_port_no) \
-                != onu_indication.intf_id:
-            self.log.warn('ONU-is-on-a-different-intf-id-now',
-                          previous_intf_id=self.platform.intf_id_from_pon_port_no(
-                              onu_device.parent_port_no),
-                          current_intf_id=onu_indication.intf_id)
-            # FIXME - handle intf_id mismatch (ONU move?)
-
-        if onu_device.proxy_address.onu_id != onu_indication.onu_id:
-            # FIXME - handle onu id mismatch
-            self.log.warn('ONU-id-mismatch, can happen if both voltha and '
-                          'the olt rebooted',
-                          expected_onu_id=onu_device.proxy_address.onu_id,
-                          received_onu_id=onu_indication.onu_id)
-
-        uni_no = self.platform.mk_uni_port_num(onu_indication.intf_id,
-                                          onu_indication.onu_id)
-        uni_name = self.port_name(uni_no, Port.ETHERNET_UNI,
-                                  serial_number=onu_device.serial_number)
-
-        self.log.debug('port-number-ready', uni_no=uni_no, uni_name=uni_name)
-
-        # Admin state
-        if onu_indication.admin_state == 'down':
-            if onu_indication.oper_state != 'down':
-                self.log.error('ONU-admin-state-down-and-oper-status-not-down',
-                               oper_state=onu_indication.oper_state)
-                # Forcing the oper state change code to execute
-                onu_indication.oper_state = 'down'
-
-            # Port and logical port update is taken care of by oper state block
-
-        elif onu_indication.admin_state == 'up':
-            pass
-
-        else:
-            self.log.warn('Invalid-or-not-implemented-admin-state',
-                          received_admin_state=onu_indication.admin_state)
-
-        self.log.debug('admin-state-dealt-with')
-
-        onu_adapter_agent = \
-            registry('adapter_loader').get_agent(onu_device.adapter)
-        if onu_adapter_agent is None:
-            self.log.error('onu_adapter_agent-could-not-be-retrieved',
-                           onu_device=onu_device)
-            return
-
-        # Operating state
-        if onu_indication.oper_state == 'down':
-
-            if onu_device.connect_status != ConnectStatus.UNREACHABLE:
-                onu_device.connect_status = ConnectStatus.UNREACHABLE
-                self.adapter_agent.update_device(onu_device)
-
-            # Move to discovered state
-            self.log.debug('onu-oper-state-is-down')
-
-            if onu_device.oper_status != OperStatus.DISCOVERED:
-                onu_device.oper_status = OperStatus.DISCOVERED
-                self.adapter_agent.update_device(onu_device)
-            # Set port oper state to Discovered
-            self.onu_ports_down(onu_device, uni_no, uni_name,
-                                OperStatus.DISCOVERED)
-
-            if onu_device.adapter == 'brcm_openomci_onu':
-                self.log.debug('using-brcm_openomci_onu')
-                onu_adapter_agent.update_interface(onu_device,
-                                                   {'oper_state': 'down'})
-
-        elif onu_indication.oper_state == 'up':
-
-            if onu_device.connect_status != ConnectStatus.REACHABLE:
-                onu_device.connect_status = ConnectStatus.REACHABLE
-                self.adapter_agent.update_device(onu_device)
-
-            if onu_device.oper_status != OperStatus.DISCOVERED:
-                self.log.debug("ignore onu indication",
-                               intf_id=onu_indication.intf_id,
-                               onu_id=onu_indication.onu_id,
-                               state=onu_device.oper_status,
-                               msg_oper_state=onu_indication.oper_state)
-                return
-
-            # Device was in Discovered state, setting it to active
-
-            # Prepare onu configuration
-            # If we are using the old/current broadcom adapter otherwise
-            # use the openomci adapter
-            if onu_device.adapter == 'broadcom_onu':
-                self.log.debug('using-broadcom_onu')
-
-                # onu initialization, base configuration (bridge setup ...)
-                def onu_initialization():
-
-                    onu_adapter_agent.adapter.devices_handlers[onu_device.id] \
-                                     .message_exchange()
-                    self.log.debug('broadcom-message-exchange-started')
-
-                # tcont creation (onu)
-                tcont = TcontsConfigData()
-                tcont.alloc_id = self.platform.mk_alloc_id(
-                    onu_indication.intf_id, onu_indication.onu_id)
-
-                # gem port creation
-                gem_port = GemportsConfigData()
-                gem_port.gemport_id = self.platform.mk_gemport_id(
-                    onu_indication.intf_id,
-                    onu_indication.onu_id)
-
-                # ports creation/update
-                def port_config():
-
-                    # "v_enet" creation (olt)
-
-                    # add_port update port when it exists
-                    self.adapter_agent.add_port(
-                        self.device_id,
-                        Port(
-                            port_no=uni_no,
-                            label=uni_name,
-                            type=Port.ETHERNET_UNI,
-                            admin_state=AdminState.ENABLED,
-                            oper_status=OperStatus.ACTIVE))
-
-                    # v_enet creation (onu)
-
-                    venet = VEnetConfig(name=uni_name)
-                    venet.interface.name = uni_name
-                    onu_adapter_agent.create_interface(onu_device, venet)
-
-                # ONU device status update in the datastore
-                def onu_update_oper_status():
-                    onu_device.oper_status = OperStatus.ACTIVE
-                    onu_device.connect_status = ConnectStatus.REACHABLE
-                    self.adapter_agent.update_device(onu_device)
-
-                # FIXME : the asynchronicity has to be taken care of properly
-                onu_initialization()
-                reactor.callLater(10, onu_adapter_agent.create_tcont,
-                                  device=onu_device, tcont_data=tcont,
-                                  traffic_descriptor_data=None)
-                reactor.callLater(11, onu_adapter_agent.create_gemport,
-                                  onu_device, gem_port)
-                reactor.callLater(12, port_config)
-                reactor.callLater(12, onu_update_oper_status)
-
-            elif onu_device.adapter == 'brcm_openomci_onu':
-                self.log.debug('using-brcm_openomci_onu')
-
-                # tcont creation (onu)
-                tcont = TcontsConfigData()
-                tcont.alloc_id = self.platform.mk_alloc_id(
-                    onu_indication.intf_id, onu_indication.onu_id)
-
-                # gem port creation
-                gem_port = GemportsConfigData()
-                gem_port.gemport_id = self.platform.mk_gemport_id(
-                    onu_indication.intf_id,
-                    onu_indication.onu_id)
-                gem_port.tcont_ref = str(tcont.alloc_id)
-
-                self.log.info('inject-tcont-gem-data-onu-handler',
-                              onu_indication=onu_indication, tcont=tcont,
-                              gem_port=gem_port)
-
-                onu_adapter_agent.create_tcont(onu_device, tcont,
-                                               traffic_descriptor_data=None)
-                onu_adapter_agent.create_gemport(onu_device, gem_port)
-                onu_adapter_agent.create_interface(onu_device, onu_indication)
-
-            else:
-                self.log.error('unsupported-openolt-onu-adapter')
-
-        else:
-            self.log.warn('Not-implemented-or-invalid-value-of-oper-state',
-                          oper_state=onu_indication.oper_state)
-
-    def onu_ports_down(self, onu_device, uni_no, uni_name, oper_state):
-        # Set port oper state to Discovered
-        # add port will update port if it exists
-        self.adapter_agent.add_port(
-            self.device_id,
-            Port(
-                port_no=uni_no,
-                label=uni_name,
-                type=Port.ETHERNET_UNI,
-                admin_state=onu_device.admin_state,
-                oper_status=oper_state))
-
-        # Disable logical port
-        onu_ports = self.proxy.get('devices/{}/ports'.format(onu_device.id))
-        onu_port_id = None
-        for onu_port in onu_ports:
-            if onu_port.port_no == uni_no:
-                onu_port_id = onu_port.label
-        if onu_port_id is None:
-            self.log.error('matching-onu-port-label-not-found',
-                           onu_id=onu_device.id, olt_id=self.device_id,
-                           onu_ports=onu_ports)
-            return
-        try:
-            onu_logical_port = self.adapter_agent.get_logical_port(
-                logical_device_id=self.logical_device_id, port_id=onu_port_id)
-            onu_logical_port.ofp_port.state = OFPPS_LINK_DOWN
-            self.adapter_agent.update_logical_port(
-                logical_device_id=self.logical_device_id,
-                port=onu_logical_port)
-            self.log.debug('cascading-oper-state-to-port-and-logical-port')
-        except KeyError as e:
-            self.log.error('matching-onu-port-label-invalid',
-                           onu_id=onu_device.id, olt_id=self.device_id,
-                           onu_ports=onu_ports, onu_port_id=onu_port_id,
-                           error=e)
-
-    def omci_indication(self, omci_indication):
-
-        self.log.debug("omci indication", intf_id=omci_indication.intf_id,
-                       onu_id=omci_indication.onu_id)
-
-        onu_device = self.adapter_agent.get_child_device(
-            self.device_id, onu_id=omci_indication.onu_id,
-            parent_port_no=self.platform.intf_id_to_port_no(
-                            omci_indication.intf_id, Port.PON_OLT),)
-
-        self.adapter_agent.receive_proxied_message(onu_device.proxy_address,
-                                                   omci_indication.pkt)
-
-    def packet_indication(self, pkt_indication):
-
-        self.log.debug("packet indication", intf_id=pkt_indication.intf_id,
-                       gemport_id=pkt_indication.gemport_id,
-                       flow_id=pkt_indication.flow_id)
-
-        onu_id = self.platform.onu_id_from_gemport_id(pkt_indication.gemport_id)
-        logical_port_num = self.platform.mk_uni_port_num(pkt_indication.intf_id,
-                                                    onu_id)
-
-        pkt = Ether(pkt_indication.pkt)
-        kw = dict(logical_device_id=self.logical_device_id,
-                  logical_port_no=logical_port_num)
-        self.adapter_agent.send_packet_in(packet=str(pkt), **kw)
-
-    def packet_out(self, egress_port, msg):
-        pkt = Ether(msg)
-        self.log.debug('packet out', egress_port=egress_port,
-                      packet=str(pkt).encode("HEX"))
-
-        # Find port type
-        egress_port_type = self.port_type(egress_port)
-
-        if egress_port_type == Port.ETHERNET_UNI:
-
-            if pkt.haslayer(Dot1Q):
-                outer_shim = pkt.getlayer(Dot1Q)
-                if isinstance(outer_shim.payload, Dot1Q):
-                    # If double tag, remove the outer tag
-                    payload = (
-                        Ether(src=pkt.src, dst=pkt.dst, type=outer_shim.type) /
-                        outer_shim.payload
-                    )
-                else:
-                    payload = pkt
-            else:
-                payload = pkt
-
-            send_pkt = binascii.unhexlify(str(payload).encode("HEX"))
-
-            self.log.debug(
-                'sending-packet-to-ONU', egress_port=egress_port,
-                intf_id=self.platform.intf_id_from_uni_port_num(egress_port),
-                onu_id=self.platform.onu_id_from_port_num(egress_port),
-                packet=str(payload).encode("HEX"))
-
-            onu_pkt = openolt_pb2.OnuPacket(
-                intf_id=self.platform.intf_id_from_uni_port_num(egress_port),
-                onu_id=self.platform.onu_id_from_port_num(egress_port),
-                pkt=send_pkt)
-
-            self.stub.OnuPacketOut(onu_pkt)
-
-        elif egress_port_type == Port.ETHERNET_NNI:
-            self.log.debug('sending-packet-to-uplink', egress_port=egress_port,
-                           packet=str(pkt).encode("HEX"))
-
-            send_pkt = binascii.unhexlify(str(pkt).encode("HEX"))
-
-            uplink_pkt = openolt_pb2.UplinkPacket(
-                intf_id=self.platform.intf_id_from_nni_port_num(egress_port),
-                pkt=send_pkt)
-
-            self.stub.UplinkPacketOut(uplink_pkt)
-
-        else:
-            self.log.warn('Packet-out-to-this-interface-type-not-implemented',
-                          egress_port=egress_port,
-                          port_type=egress_port_type)
-
-    def send_proxied_message(self, proxy_address, msg):
-        onu_device = self.adapter_agent.get_child_device(
-            self.device_id,
-            onu_id=proxy_address.onu_id,
-            parent_port_no=self.platform.intf_id_to_port_no(
-                proxy_address.channel_id, Port.PON_OLT))
-        if onu_device.connect_status != ConnectStatus.REACHABLE:
-            self.log.debug('ONU is not reachable, cannot send OMCI',
-                           serial_number=onu_device.serial_number,
-                           intf_id=onu_device.proxy_address.channel_id,
-                           onu_id=onu_device.proxy_address.onu_id)
-            return
-        omci = openolt_pb2.OmciMsg(intf_id=proxy_address.channel_id,
-                                   onu_id=proxy_address.onu_id, pkt=str(msg))
-        self.stub.OmciMsgOut(omci)
-
-    def add_onu_device(self, intf_id, port_no, onu_id, serial_number):
-        self.log.info("Adding ONU", port_no=port_no, onu_id=onu_id,
-                      serial_number=serial_number)
-
-        # NOTE - channel_id of onu is set to intf_id
-        proxy_address = Device.ProxyAddress(device_id=self.device_id,
-                                            channel_id=intf_id, onu_id=onu_id,
-                                            onu_session_id=onu_id)
-
-        self.log.debug("Adding ONU", proxy_address=proxy_address)
-
-        serial_number_str = self.stringify_serial_number(serial_number)
-
-        self.adapter_agent.add_onu_device(
-            parent_device_id=self.device_id, parent_port_no=port_no,
-            vendor_id=serial_number.vendor_id, proxy_address=proxy_address,
-            root=True, serial_number=serial_number_str,
-            admin_state=AdminState.ENABLED)
-
-    def port_name(self, port_no, port_type, intf_id=None, serial_number=None):
-        if port_type is Port.ETHERNET_NNI:
-            return "nni-" + str(port_no)
-        elif port_type is Port.PON_OLT:
-            return "pon" + str(intf_id)
-        elif port_type is Port.ETHERNET_UNI:
-            if serial_number is not None:
-                return serial_number
-            else:
-                return "uni-{}".format(port_no)
-
-    def port_type(self, port_no):
-        ports = self.adapter_agent.get_ports(self.device_id)
-        for port in ports:
-            if port.port_no == port_no:
-                return port.type
-        return None
-
-    def add_logical_port(self, port_no, intf_id, oper_state):
-        self.log.info('adding-logical-port', port_no=port_no)
-
-        label = self.port_name(port_no, Port.ETHERNET_NNI)
-
-        cap = OFPPF_1GB_FD | OFPPF_FIBER
-        curr_speed = OFPPF_1GB_FD
-        max_speed = OFPPF_1GB_FD
-
-        if oper_state == OperStatus.ACTIVE:
-            of_oper_state = OFPPS_LIVE
-        else:
-            of_oper_state = OFPPS_LINK_DOWN
-
-        ofp = ofp_port(
-            port_no=port_no,
-            hw_addr=mac_str_to_tuple(self._get_mac_form_port_no(port_no)),
-            name=label, config=0, state=of_oper_state, curr=cap,
-            advertised=cap, peer=cap, curr_speed=curr_speed,
-            max_speed=max_speed)
-
-        ofp_stats = ofp_port_stats(port_no=port_no)
-
-        logical_port = LogicalPort(
-            id=label, ofp_port=ofp, device_id=self.device_id,
-            device_port_no=port_no, root_port=True,
-            ofp_port_stats=ofp_stats)
-
-        self.adapter_agent.add_logical_port(self.logical_device_id,
-                                            logical_port)
-
-    def _get_mac_form_port_no(self, port_no):
-        mac = ''
-        for i in range(4):
-            mac = ':%02x' % ((port_no >> (i * 8)) & 0xff) + mac
-        return '00:00' + mac
-
-
-    def add_port(self, intf_id, port_type, oper_status):
-        port_no = self.platform.intf_id_to_port_no(intf_id, port_type)
-
-        label = self.port_name(port_no, port_type, intf_id)
-
-        self.log.debug('adding-port', port_no=port_no, label=label,
-                       port_type=port_type)
-
-        port = Port(port_no=port_no, label=label, type=port_type,
-                    admin_state=AdminState.ENABLED, oper_status=oper_status)
-
-        self.adapter_agent.add_port(self.device_id, port)
-
-        return port_no, label
-
-    def delete_logical_port(self, child_device_id):
-        logical_ports = self.proxy.get('/logical_devices/{}/ports'.format(
-            self.logical_device_id))
-        for logical_port in logical_ports:
-            if logical_port.device_id == child_device_id:
-                self.log.debug('delete-logical-port',
-                               onu_device_id=child_device_id,
-                               logical_port=logical_port)
-                self.adapter_agent.delete_logical_port(
-                    self.logical_device_id, logical_port)
-                return
-
-    def delete_port(self, child_serial_number):
-        ports = self.proxy.get('/devices/{}/ports'.format(
-            self.device_id))
-        for port in ports:
-            if port.label == child_serial_number:
-                self.log.debug('delete-port',
-                               onu_serial_number=child_serial_number,
-                               port=port)
-                self.adapter_agent.delete_port(self.device_id, port)
-                return
-
-    def new_onu_id(self, intf_id):
-        onu_devices = self.adapter_agent.get_child_devices(self.device_id)
-        pon_onu_ids = [onu_device.proxy_address.onu_id
-                       for onu_device in onu_devices
-                       if onu_device.proxy_address.channel_id == intf_id]
-        for i in range(1, self.platform.MAX_ONUS_PER_PON):
-            if i not in pon_onu_ids:
-                return i
-
-        self.log.error('All available onu_ids taken on this pon',
-                       intf_id=intf_id, ids_taken=self.platform.MAX_ONUS_PER_PON)
-        return None
-
-    def update_flow_table(self, flows):
-        self.log.debug('No updates here now, all is done in logical flows '
-                       'update')
-
-    def update_logical_flows(self, flows_to_add, flows_to_remove,
-                             device_rules_map):
-        if not self.is_state_up():
-            self.log.info('The OLT is not up, we cannot update flows',
-                          flows_to_add=[f.id for f in flows_to_add],
-                          flows_to_remove=[f.id for f in flows_to_remove])
-            return
-
-        try:
-            self.flow_mgr.update_children_flows(device_rules_map)
-        except Exception as e:
-            self.log.error('Error updating children flows', error=e)
-
-        self.log.debug('logical flows update', flows_to_add=flows_to_add,
-                       flows_to_remove=flows_to_remove)
-
-        for flow in flows_to_add:
-
-            try:
-                self.flow_mgr.add_flow(flow)
-            except grpc.RpcError as grpc_e:
-                if grpc_e.code() == grpc.StatusCode.ALREADY_EXISTS:
-                    self.log.warn('flow already exists', e=grpc_e, flow=flow)
-                else:
-                    self.log.error('failed to add flow', flow=flow,
-                                   grpc_error=grpc_e)
-            except Exception as e:
-                self.log.error('failed to add flow', flow=flow, e=e)
-
-        for flow in flows_to_remove:
-
-            try:
-                self.flow_mgr.remove_flow(flow)
-            except Exception as e:
-                self.log.error('failed to remove flow', flow=flow, e=e)
-
-        self.flow_mgr.repush_all_different_flows()
-
-    # There has to be a better way to do this
-    def ip_hex(self, ip):
-        octets = ip.split(".")
-        hex_ip = []
-        for octet in octets:
-            octet_hex = hex(int(octet))
-            octet_hex = octet_hex.split('0x')[1]
-            octet_hex = octet_hex.rjust(2, '0')
-            hex_ip.append(octet_hex)
-        return ":".join(hex_ip)
-
-    def stringify_vendor_specific(self, vendor_specific):
-        return ''.join(str(i) for i in [
-            hex(ord(vendor_specific[0]) >> 4 & 0x0f)[2:],
-            hex(ord(vendor_specific[0]) & 0x0f)[2:],
-            hex(ord(vendor_specific[1]) >> 4 & 0x0f)[2:],
-            hex(ord(vendor_specific[1]) & 0x0f)[2:],
-            hex(ord(vendor_specific[2]) >> 4 & 0x0f)[2:],
-            hex(ord(vendor_specific[2]) & 0x0f)[2:],
-            hex(ord(vendor_specific[3]) >> 4 & 0x0f)[2:],
-            hex(ord(vendor_specific[3]) & 0x0f)[2:]])
-
-    def stringify_serial_number(self, serial_number):
-        return ''.join([serial_number.vendor_id,
-                        self.stringify_vendor_specific(
-                            serial_number.vendor_specific)])
-
-    def destringify_serial_number(self, serial_number_str):
-        serial_number = openolt_pb2.SerialNumber(
-            vendor_id=serial_number_str[:4].encode('utf-8'),
-            vendor_specific=binascii.unhexlify(serial_number_str[4:]))
-        return serial_number
-
-    def disable(self):
-        self.log.debug('sending-deactivate-olt-message',
-                       device_id=self.device_id)
-
-        try:
-            # Send grpc call
-            self.stub.DisableOlt(openolt_pb2.Empty())
-            # The resulting indication will bring the OLT down
-            # self.go_state_down()
-            self.log.info('openolt device disabled')
-        except Exception as e:
-            self.log.error('Failure to disable openolt device', error=e)
-
-    def delete(self):
-        self.log.info('deleting-olt', device_id=self.device_id,
-                      logical_device_id=self.logical_device_id)
-
-        try:
-            # Rebooting to reset the state
-            self.reboot()
-            # Removing logical device
-            ld = self.adapter_agent.get_logical_device(self.logical_device_id)
-            self.adapter_agent.delete_logical_device(ld)
-        except Exception as e:
-            self.log.error('Failure to delete openolt device', error=e)
-            raise e
-        else:
-            self.log.info('successfully-deleted-olt', device_id=self.device_id)
-
-    def reenable(self):
-        self.log.debug('reenabling-olt', device_id=self.device_id)
-
-        try:
-            self.stub.ReenableOlt(openolt_pb2.Empty())
-
-            self.log.info('enabling-all-ports', device_id=self.device_id)
-            self.adapter_agent.enable_all_ports(self.device_id)
-        except Exception as e:
-            self.log.error('Failure to reenable openolt device', error=e)
-        else:
-            self.log.info('openolt device reenabled')
-
-    def activate_onu(self, intf_id, onu_id, serial_number,
-                     serial_number_str):
-        pir = self.bw_mgr.pir(serial_number_str)
-        self.log.debug("activating-onu", intf_id=intf_id, onu_id=onu_id,
-                       serial_number_str=serial_number_str,
-                       serial_number=serial_number, pir=pir)
-        onu = openolt_pb2.Onu(intf_id=intf_id, onu_id=onu_id,
-                              serial_number=serial_number, pir=pir)
-        self.stub.ActivateOnu(onu)
-        self.log.info('onu-activated', serial_number=serial_number_str)
-
-    def delete_child_device(self, child_device):
-        self.log.debug('sending-deactivate-onu',
-                       olt_device_id=self.device_id,
-                       onu_device=child_device,
-                       onu_serial_number=child_device.serial_number)
-        try:
-            self.adapter_agent.delete_child_device(self.device_id,
-                                                   child_device.id,
-                                                   child_device)
-        except Exception as e:
-            self.log.error('adapter_agent error', error=e)
-        try:
-            self.delete_logical_port(child_device.id)
-        except Exception as e:
-            self.log.error('logical_port delete error', error=e)
-        try:
-            self.delete_port(child_device.serial_number)
-        except Exception as e:
-            self.log.error('port delete error', error=e)
-        serial_number = self.destringify_serial_number(
-            child_device.serial_number)
-        onu = openolt_pb2.Onu(intf_id=child_device.proxy_address.channel_id,
-                              onu_id=child_device.proxy_address.onu_id,
-                              serial_number=serial_number)
-        self.stub.DeleteOnu(onu)
-
-    def reboot(self):
-        self.log.debug('rebooting openolt device', device_id=self.device_id)
-        try:
-            self.stub.Reboot(openolt_pb2.Empty())
-        except Exception as e:
-            self.log.error('something went wrong with the reboot', error=e)
-        else:
-            self.log.info('device rebooted')
-
-    def trigger_statistics_collection(self):
-        try:
-            self.stub.CollectStatistics(openolt_pb2.Empty())
-        except Exception as e:
-            self.log.error('Error while triggering statistics collection',
-                           error=e)
-        else:
-            self.log.info('statistics requested')
-
-    def simulate_alarm(self, alarm):
-        self.alarm_mgr.simulate_alarm(alarm)
-
diff --git a/voltha/adapters/bbsimolt/bbsimolt_flow_mgr.py b/voltha/adapters/bbsimolt/bbsimolt_flow_mgr.py
deleted file mode 100644
index e1f21a8..0000000
--- a/voltha/adapters/bbsimolt/bbsimolt_flow_mgr.py
+++ /dev/null
@@ -1,648 +0,0 @@
-#
-# Copyright 2018 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-import copy
-from twisted.internet import reactor
-import grpc
-
-from voltha.protos.openflow_13_pb2 import OFPXMC_OPENFLOW_BASIC, \
-    ofp_flow_stats, OFPMT_OXM, Flows, FlowGroups, OFPXMT_OFB_IN_PORT, \
-    OFPXMT_OFB_VLAN_VID
-from voltha.protos.device_pb2 import Port
-import voltha.core.flow_decomposer as fd
-from bbsimolt_platform import BBSimOltPlatform
-from voltha.adapters.openolt.protos import openolt_pb2
-from voltha.registry import registry
-
-HSIA_FLOW_INDEX = 0  # FIXME
-DHCP_FLOW_INDEX = 1  # FIXME
-DHCP_DOWNLINK_FLOW_INDEX = 6  # FIXME
-EAPOL_FLOW_INDEX = 2  # FIXME
-EAPOL_DOWNLINK_FLOW_INDEX = 3  # FIXME
-EAPOL_DOWNLINK_SECONDARY_FLOW_INDEX = 4  # FIXME
-EAPOL_UPLINK_SECONDARY_FLOW_INDEX = 5  # FIXME
-LLDP_FLOW_INDEX = 7  # FIXME
-
-EAP_ETH_TYPE = 0x888e
-LLDP_ETH_TYPE = 0x88cc
-
-# FIXME - see also BRDCM_DEFAULT_VLAN in broadcom_onu.py
-DEFAULT_MGMT_VLAN = 4091
-
-
-class BBSimOltFlowMgr(object):
-
-    def __init__(self, log, stub, device_id, logical_device_id):
-        self.log = log
-        self.stub = stub
-        self.device_id = device_id
-        self.logical_device_id = logical_device_id
-        self.logical_flows_proxy = registry('core').get_proxy(
-            '/logical_devices/{}/flows'.format(self.logical_device_id))
-        self.flows_proxy = registry('core').get_proxy(
-            '/devices/{}/flows'.format(self.device_id))
-        self.root_proxy = registry('core').get_proxy('/')
-        self.platform = BBSimOltPlatform(self.log)
-        self.retry_add_flow_list = []
-
-    def add_flow(self, flow):
-        self.log.debug('add flow', flow=flow)
-        classifier_info = dict()
-        action_info = dict()
-
-        for field in fd.get_ofb_fields(flow):
-            if field.type == fd.ETH_TYPE:
-                classifier_info['eth_type'] = field.eth_type
-                self.log.debug('field-type-eth-type',
-                               eth_type=classifier_info['eth_type'])
-            elif field.type == fd.IP_PROTO:
-                classifier_info['ip_proto'] = field.ip_proto
-                self.log.debug('field-type-ip-proto',
-                               ip_proto=classifier_info['ip_proto'])
-            elif field.type == fd.IN_PORT:
-                classifier_info['in_port'] = field.port
-                self.log.debug('field-type-in-port',
-                               in_port=classifier_info['in_port'])
-            elif field.type == fd.VLAN_VID:
-                classifier_info['vlan_vid'] = field.vlan_vid & 0xfff
-                self.log.debug('field-type-vlan-vid',
-                               vlan=classifier_info['vlan_vid'])
-            elif field.type == fd.VLAN_PCP:
-                classifier_info['vlan_pcp'] = field.vlan_pcp
-                self.log.debug('field-type-vlan-pcp',
-                               pcp=classifier_info['vlan_pcp'])
-            elif field.type == fd.UDP_DST:
-                classifier_info['udp_dst'] = field.udp_dst
-                self.log.debug('field-type-udp-dst',
-                               udp_dst=classifier_info['udp_dst'])
-            elif field.type == fd.UDP_SRC:
-                classifier_info['udp_src'] = field.udp_src
-                self.log.debug('field-type-udp-src',
-                               udp_src=classifier_info['udp_src'])
-            elif field.type == fd.IPV4_DST:
-                classifier_info['ipv4_dst'] = field.ipv4_dst
-                self.log.debug('field-type-ipv4-dst',
-                               ipv4_dst=classifier_info['ipv4_dst'])
-            elif field.type == fd.IPV4_SRC:
-                classifier_info['ipv4_src'] = field.ipv4_src
-                self.log.debug('field-type-ipv4-src',
-                               ipv4_dst=classifier_info['ipv4_src'])
-            elif field.type == fd.METADATA:
-                classifier_info['metadata'] = field.table_metadata
-                self.log.debug('field-type-metadata',
-                               metadata=classifier_info['metadata'])
-            else:
-                raise NotImplementedError('field.type={}'.format(
-                    field.type))
-
-        for action in fd.get_actions(flow):
-            if action.type == fd.OUTPUT:
-                action_info['output'] = action.output.port
-                self.log.debug('action-type-output',
-                               output=action_info['output'],
-                               in_port=classifier_info['in_port'])
-            elif action.type == fd.POP_VLAN:
-                if fd.get_goto_table_id(flow) is None:
-                    self.log.debug('being taken care of by ONU', flow=flow)
-                    return
-                action_info['pop_vlan'] = True
-                self.log.debug('action-type-pop-vlan',
-                               in_port=classifier_info['in_port'])
-            elif action.type == fd.PUSH_VLAN:
-                action_info['push_vlan'] = True
-                action_info['tpid'] = action.push.ethertype
-                self.log.debug('action-type-push-vlan',
-                               push_tpid=action_info['tpid'],
-                               in_port=classifier_info['in_port'])
-                if action.push.ethertype != 0x8100:
-                    self.log.error('unhandled-tpid',
-                                   ethertype=action.push.ethertype)
-            elif action.type == fd.SET_FIELD:
-                # action_info['action_type'] = 'set_field'
-                _field = action.set_field.field.ofb_field
-                assert (action.set_field.field.oxm_class ==
-                        OFPXMC_OPENFLOW_BASIC)
-                self.log.debug('action-type-set-field', field=_field,
-                               in_port=classifier_info['in_port'])
-                if _field.type == fd.VLAN_VID:
-                    self.log.debug('set-field-type-vlan-vid',
-                                   vlan_vid=_field.vlan_vid & 0xfff)
-                    action_info['vlan_vid'] = (_field.vlan_vid & 0xfff)
-                else:
-                    self.log.error('unsupported-action-set-field-type',
-                                   field_type=_field.type)
-            else:
-                self.log.error('unsupported-action-type',
-                               action_type=action.type,
-                               in_port=classifier_info['in_port'])
-
-        if fd.get_goto_table_id(flow) is not None and not 'pop_vlan' in \
-                action_info:
-            self.log.debug('being taken care of by ONU', flow=flow)
-            return
-
-        if not 'output' in action_info and 'metadata' in classifier_info:
-            # find flow in the next table
-            next_flow = self.find_next_flow(flow)
-            if next_flow is None:
-                return
-            action_info['output'] = fd.get_out_port(next_flow)
-            for field in fd.get_ofb_fields(next_flow):
-                if field.type == fd.VLAN_VID:
-                    classifier_info['metadata'] = field.vlan_vid & 0xfff
-
-        (intf_id, onu_id) = self.platform.extract_access_from_flow(
-            classifier_info['in_port'], action_info['output'])
-
-        self.divide_and_add_flow(intf_id, onu_id, classifier_info,
-                                 action_info, flow)
-
-    def retry_add_flow(self, flow):
-        self.log.debug("retry-add-flow")
-        if flow.id in self.retry_add_flow_list:
-            self.retry_add_flow_list.remove(flow.id)
-        self.add_flow(flow)
-
-    def remove_flow(self, flow):
-        self.log.debug('trying to remove flows from logical flow :',
-                       logical_flow=flow)
-        device_flows_to_remove = []
-        device_flows = self.flows_proxy.get('/').items
-        for f in device_flows:
-            if f.cookie == flow.id:
-                device_flows_to_remove.append(f)
-
-        for f in device_flows_to_remove:
-            (id, direction) = self.decode_stored_id(f.id)
-            flow_to_remove = openolt_pb2.Flow(flow_id=id, flow_type=direction)
-            try:
-                self.stub.FlowRemove(flow_to_remove)
-            except grpc.RpcError as grpc_e:
-                if grpc_e.code() == grpc.StatusCode.NOT_FOUND:
-                    self.log.debug('This flow does not exist on the switch, '
-                                   'normal after an OLT reboot',
-                                   flow=flow_to_remove)
-                else:
-                    raise grpc_e
-
-            self.log.debug('flow removed from device', flow=f,
-                           flow_key=flow_to_remove)
-
-        if len(device_flows_to_remove) > 0:
-            new_flows = []
-            flows_ids_to_remove = [f.id for f in device_flows_to_remove]
-            for f in device_flows:
-                if f.id not in flows_ids_to_remove:
-                    new_flows.append(f)
-
-            self.flows_proxy.update('/', Flows(items=new_flows))
-            self.log.debug('flows removed from the data store',
-                           flow_ids_removed=flows_ids_to_remove,
-                           number_of_flows_removed=(len(device_flows) - len(
-                               new_flows)), expected_flows_removed=len(
-                            device_flows_to_remove))
-        else:
-            self.log.debug('no device flow to remove for this flow (normal '
-                           'for multi table flows)', flow=flow)
-
-    def divide_and_add_flow(self, intf_id, onu_id, classifier,
-                            action, flow):
-
-        self.log.debug('sorting flow', intf_id=intf_id, onu_id=onu_id,
-                       classifier=classifier, action=action)
-
-        if 'ip_proto' in classifier:
-            if classifier['ip_proto'] == 17:
-                self.log.debug('dhcp flow add')
-                self.add_dhcp_trap(intf_id, onu_id, classifier,
-                                   action, flow)
-            elif classifier['ip_proto'] == 2:
-                self.log.warn('igmp flow add ignored, not implemented yet')
-            else:
-                self.log.warn("Invalid-Classifier-to-handle",
-                              classifier=classifier,
-                              action=action)
-        elif 'eth_type' in classifier:
-            if classifier['eth_type'] == EAP_ETH_TYPE:
-                self.log.debug('eapol flow add')
-                self.add_eapol_flow(intf_id, onu_id, flow)
-                vlan_id = self.get_subscriber_vlan(fd.get_in_port(flow))
-                if vlan_id is not None:
-                    self.add_eapol_flow(
-                        intf_id, onu_id, flow,
-                        uplink_eapol_id=EAPOL_UPLINK_SECONDARY_FLOW_INDEX,
-                        downlink_eapol_id=EAPOL_DOWNLINK_SECONDARY_FLOW_INDEX,
-                        vlan_id=vlan_id)
-            if classifier['eth_type'] == LLDP_ETH_TYPE:
-                self.log.debug('lldp flow add')
-                self.add_lldp_flow(intf_id, onu_id, flow, classifier,
-                                   action)
-
-        elif 'push_vlan' in action:
-            self.add_upstream_data_flow(intf_id, onu_id, classifier, action,
-                                        flow)
-        elif 'pop_vlan' in action:
-            self.add_downstream_data_flow(intf_id, onu_id, classifier,
-                                          action, flow)
-        else:
-            self.log.debug('Invalid-flow-type-to-handle',
-                           classifier=classifier,
-                           action=action, flow=flow)
-
-    def add_upstream_data_flow(self, intf_id, onu_id, uplink_classifier,
-                               uplink_action, logical_flow):
-
-        uplink_classifier['pkt_tag_type'] = 'single_tag'
-
-        self.add_hsia_flow(intf_id, onu_id, uplink_classifier,
-                           uplink_action, 'upstream', HSIA_FLOW_INDEX,
-                           logical_flow)
-
-        # Secondary EAP on the subscriber vlan
-        (eap_active, eap_logical_flow) = self.is_eap_enabled(intf_id, onu_id)
-        if eap_active:
-            self.add_eapol_flow(
-                intf_id, onu_id, eap_logical_flow,
-                uplink_eapol_id=EAPOL_UPLINK_SECONDARY_FLOW_INDEX,
-                downlink_eapol_id=EAPOL_DOWNLINK_SECONDARY_FLOW_INDEX,
-                vlan_id=uplink_classifier['vlan_vid'])
-
-    def add_downstream_data_flow(self, intf_id, onu_id, downlink_classifier,
-                                 downlink_action, flow):
-        downlink_classifier['pkt_tag_type'] = 'double_tag'
-        # Needed ???? It should be already there
-        downlink_action['pop_vlan'] = True
-        downlink_action['vlan_vid'] = downlink_classifier['vlan_vid']
-
-        self.add_hsia_flow(intf_id, onu_id, downlink_classifier,
-                           downlink_action, 'downstream', HSIA_FLOW_INDEX,
-                           flow)
-
-    # To-Do right now only one GEM port is supported, so below method
-    # will take care of handling all the p bits.
-    # We need to revisit when mulitple gem port per p bits is needed.
-    # Waiting for Technology profile
-    def add_hsia_flow(self, intf_id, onu_id, classifier, action,
-                      direction, hsia_id, logical_flow):
-
-        gemport_id = self.platform.mk_gemport_id(intf_id, onu_id)
-        flow_id = self.platform.mk_flow_id(intf_id, onu_id, hsia_id)
-
-        flow = openolt_pb2.Flow(
-                onu_id=onu_id, flow_id=flow_id, flow_type=direction,
-                access_intf_id=intf_id, gemport_id=gemport_id,
-                priority=logical_flow.priority,
-                classifier=self.mk_classifier(classifier),
-                action=self.mk_action(action))
-
-        self.add_flow_to_device(flow, logical_flow)
-
-    def add_dhcp_trap(self, intf_id, onu_id, classifier, action, logical_flow):
-
-        self.log.debug('add dhcp upstream trap', classifier=classifier,
-                       action=action)
-
-        action.clear()
-        action['trap_to_host'] = True
-        classifier['pkt_tag_type'] = 'single_tag'
-        classifier.pop('vlan_vid', None)
-
-        gemport_id = self.platform.mk_gemport_id(intf_id, onu_id)
-        flow_id = self.platform.mk_flow_id(intf_id, onu_id, DHCP_FLOW_INDEX)
-
-        upstream_flow = openolt_pb2.Flow(
-            onu_id=onu_id, flow_id=flow_id, flow_type="upstream",
-            access_intf_id=intf_id, gemport_id=gemport_id,
-            priority=logical_flow.priority,
-            classifier=self.mk_classifier(classifier),
-            action=self.mk_action(action))
-
-        self.add_flow_to_device(upstream_flow, logical_flow)
-
-        # FIXME - ONOS should send explicit upstream and downstream
-        #         exact dhcp trap flow.
-
-        downstream_logical_flow = copy.deepcopy(logical_flow)
-        for oxm_field in downstream_logical_flow.match.oxm_fields:
-            if oxm_field.ofb_field.type == OFPXMT_OFB_IN_PORT:
-                oxm_field.ofb_field.port = \
-                    self.platform.intf_id_to_port_no(0, Port.ETHERNET_NNI)
-
-        classifier['udp_src'] = 67
-        classifier['udp_dst'] = 68
-        classifier['pkt_tag_type'] = 'double_tag'
-        action.pop('push_vlan', None)
-
-        flow_id = self.platform.mk_flow_id(intf_id, onu_id,
-                                      DHCP_DOWNLINK_FLOW_INDEX)
-
-        downstream_flow = openolt_pb2.Flow(
-            onu_id=onu_id, flow_id=flow_id, flow_type="downstream",
-            access_intf_id=intf_id, network_intf_id=0, gemport_id=gemport_id,
-            priority=logical_flow.priority, classifier=self.mk_classifier(
-                classifier),
-            action=self.mk_action(action))
-
-        self.add_flow_to_device(downstream_flow, downstream_logical_flow)
-
-    def add_eapol_flow(self, intf_id, onu_id, logical_flow,
-                       uplink_eapol_id=EAPOL_FLOW_INDEX,
-                       downlink_eapol_id=EAPOL_DOWNLINK_FLOW_INDEX,
-                       vlan_id=DEFAULT_MGMT_VLAN):
-
-
-
-        uplink_classifier = {}
-        uplink_classifier['eth_type'] = EAP_ETH_TYPE
-        uplink_classifier['pkt_tag_type'] = 'single_tag'
-        uplink_classifier['vlan_vid'] = vlan_id
-
-        uplink_action = {}
-        uplink_action['trap_to_host'] = True
-
-        gemport_id = self.platform.mk_gemport_id(intf_id, onu_id)
-
-        # Add Upstream EAPOL Flow.
-
-        uplink_flow_id = self.platform.mk_flow_id(intf_id, onu_id, uplink_eapol_id)
-
-        upstream_flow = openolt_pb2.Flow(
-            onu_id=onu_id, flow_id=uplink_flow_id, flow_type="upstream",
-            access_intf_id=intf_id, gemport_id=gemport_id,
-            priority=logical_flow.priority,
-            classifier=self.mk_classifier(uplink_classifier),
-            action=self.mk_action(uplink_action))
-
-        logical_flow = copy.deepcopy(logical_flow)
-        logical_flow.match.oxm_fields.extend(fd.mk_oxm_fields([fd.vlan_vid(
-            vlan_id | 0x1000)]))
-        logical_flow.match.type = OFPMT_OXM
-
-        self.add_flow_to_device(upstream_flow, logical_flow)
-
-        if vlan_id == DEFAULT_MGMT_VLAN:
-
-            # Add Downstream EAPOL Flow, Only for first EAP flow
-
-            downlink_classifier = {}
-            downlink_classifier['pkt_tag_type'] = 'single_tag'
-            downlink_classifier['vlan_vid'] = 4000 - onu_id
-
-
-
-            downlink_action = {}
-            downlink_action['push_vlan'] = True
-            downlink_action['vlan_vid'] = vlan_id
-
-            downlink_flow_id = self.platform.mk_flow_id(intf_id, onu_id,
-                                                   downlink_eapol_id)
-
-            downstream_flow = openolt_pb2.Flow(
-                onu_id=onu_id, flow_id=downlink_flow_id, flow_type="downstream",
-                access_intf_id=intf_id, gemport_id=gemport_id,
-                priority=logical_flow.priority,
-                classifier=self.mk_classifier(downlink_classifier),
-                action=self.mk_action(downlink_action))
-
-            downstream_logical_flow = ofp_flow_stats(id=logical_flow.id,
-                 cookie=logical_flow.cookie, table_id=logical_flow.table_id,
-                 priority=logical_flow.priority, flags=logical_flow.flags)
-
-            downstream_logical_flow.match.oxm_fields.extend(fd.mk_oxm_fields([
-                fd.in_port(fd.get_out_port(logical_flow)),
-                fd.vlan_vid((4000 - onu_id) | 0x1000)]))
-            downstream_logical_flow.match.type = OFPMT_OXM
-
-            downstream_logical_flow.instructions.extend(
-                fd.mk_instructions_from_actions([fd.output(
-                self.platform.mk_uni_port_num(intf_id, onu_id))]))
-
-            self.add_flow_to_device(downstream_flow, downstream_logical_flow)
-
-    def repush_all_different_flows(self):
-        # Check if the device is supposed to have flows, if so add them
-        # Recover static flows after a reboot
-        logical_flows = self.logical_flows_proxy.get('/').items
-        devices_flows = self.flows_proxy.get('/').items
-        logical_flows_ids_provisioned = [f.cookie for f in devices_flows]
-        for logical_flow in logical_flows:
-            try:
-                if logical_flow.id not in logical_flows_ids_provisioned:
-                    self.add_flow(logical_flow)
-            except Exception as e:
-                self.log.debug('Problem readding this flow', error=e)
-
-    def reset_flows(self):
-        self.flows_proxy.update('/', Flows())
-
-    def add_lldp_flow(self, intf_id, onu_id, logical_flow, classifier, action):
-
-        self.log.debug('add lldp downstream trap', classifier=classifier,
-                       action=action)
-
-        action.clear()
-        action['trap_to_host'] = True
-        classifier['pkt_tag_type'] = 'untagged'
-
-        gemport_id = self.platform.mk_gemport_id(onu_id)
-        flow_id = self.platform.mk_flow_id(intf_id, onu_id, LLDP_FLOW_INDEX)
-
-        downstream_flow = openolt_pb2.Flow(
-            onu_id=onu_id, flow_id=flow_id, flow_type="downstream",
-            access_intf_id=3, network_intf_id=0, gemport_id=gemport_id,
-            priority=logical_flow.priority,
-            classifier=self.mk_classifier(classifier),
-            action=self.mk_action(action))
-
-        self.log.debug('add lldp downstream trap', access_intf_id=intf_id,
-                       onu_id=onu_id, flow_id=flow_id)
-        self.stub.FlowAdd(downstream_flow)
-
-    def mk_classifier(self, classifier_info):
-
-        classifier = openolt_pb2.Classifier()
-
-        if 'eth_type' in classifier_info:
-            classifier.eth_type = classifier_info['eth_type']
-        if 'ip_proto' in classifier_info:
-            classifier.ip_proto = classifier_info['ip_proto']
-        if 'vlan_vid' in classifier_info:
-            classifier.o_vid = classifier_info['vlan_vid']
-        if 'metadata' in classifier_info:
-            classifier.i_vid = classifier_info['metadata']
-        if 'vlan_pcp' in classifier_info:
-            classifier.o_pbits = classifier_info['vlan_pcp']
-        if 'udp_src' in classifier_info:
-            classifier.src_port = classifier_info['udp_src']
-        if 'udp_dst' in classifier_info:
-            classifier.dst_port = classifier_info['udp_dst']
-        if 'ipv4_dst' in classifier_info:
-            classifier.dst_ip = classifier_info['ipv4_dst']
-        if 'ipv4_src' in classifier_info:
-            classifier.src_ip = classifier_info['ipv4_src']
-        if 'pkt_tag_type' in classifier_info:
-            if classifier_info['pkt_tag_type'] == 'single_tag':
-                classifier.pkt_tag_type = 'single_tag'
-            elif classifier_info['pkt_tag_type'] == 'double_tag':
-                classifier.pkt_tag_type = 'double_tag'
-            elif classifier_info['pkt_tag_type'] == 'untagged':
-                classifier.pkt_tag_type = 'untagged'
-            else:
-                classifier.pkt_tag_type = 'none'
-
-        return classifier
-
-    def mk_action(self, action_info):
-        action = openolt_pb2.Action()
-
-        if 'pop_vlan' in action_info:
-            action.o_vid = action_info['vlan_vid']
-            action.cmd.remove_outer_tag = True
-        elif 'push_vlan' in action_info:
-            action.o_vid = action_info['vlan_vid']
-            action.cmd.add_outer_tag = True
-        elif 'trap_to_host' in action_info:
-            action.cmd.trap_to_host = True
-        else:
-            self.log.info('Invalid-action-field', action_info=action_info)
-            return
-        return action
-
-    def is_eap_enabled(self, intf_id, onu_id):
-        flows = self.logical_flows_proxy.get('/').items
-
-        for flow in flows:
-            eap_flow = False
-            eap_intf_id = None
-            eap_onu_id = None
-            for field in fd.get_ofb_fields(flow):
-                if field.type == fd.ETH_TYPE:
-                    if field.eth_type == EAP_ETH_TYPE:
-                        eap_flow = True
-                if field.type == fd.IN_PORT:
-                    eap_intf_id = self.platform.intf_id_from_uni_port_num(
-                        field.port)
-                    eap_onu_id = self.platform.onu_id_from_port_num(field.port)
-
-            if eap_flow:
-                self.log.debug('eap flow detected', onu_id=onu_id,
-                               intf_id=intf_id, eap_intf_id=eap_intf_id,
-                               eap_onu_id=eap_onu_id)
-            if eap_flow and intf_id == eap_intf_id and onu_id == eap_onu_id:
-                return (True, flow)
-
-        return (False, None)
-
-    def get_subscriber_vlan(self, port):
-        self.log.debug('looking from subscriber flow for port', port=port)
-
-        flows = self.logical_flows_proxy.get('/').items
-        for flow in flows:
-            in_port = fd.get_in_port(flow)
-            out_port = fd.get_out_port(flow)
-
-            if in_port == port and \
-                self.platform.intf_id_to_port_type_name(out_port) == Port.ETHERNET_NNI:
-                fields = fd.get_ofb_fields(flow)
-                self.log.debug('subscriber flow found', fields=fields)
-                for field in fields:
-                    if field.type == OFPXMT_OFB_VLAN_VID:
-                        self.log.debug('subscriber vlan found',
-                                       vlan_id=field.vlan_vid)
-                        return field.vlan_vid & 0x0fff
-        self.log.debug('No subscriber flow found', port=port)
-        return None
-
-    def add_flow_to_device(self, flow, logical_flow):
-        self.log.debug('pushing flow to device', flow=flow)
-        self.stub.FlowAdd(flow)
-        self.register_flow(logical_flow, flow)
-
-    def register_flow(self, logical_flow, device_flow):
-        self.log.debug('registering flow in device',
-                       logical_flow=logical_flow, device_flow=device_flow)
-        stored_flow = copy.deepcopy(logical_flow)
-        stored_flow.id = self.generate_stored_id(device_flow.flow_id,
-                                                 device_flow.flow_type)
-        self.log.debug('generated device flow id', id=stored_flow.id,
-                       flow_id=device_flow.flow_id,
-                       direction=device_flow.flow_type)
-        stored_flow.cookie = logical_flow.id
-        flows = self.flows_proxy.get('/')
-        flows.items.extend([stored_flow])
-        self.flows_proxy.update('/', flows)
-
-    def find_next_flow(self, flow):
-        table_id = fd.get_goto_table_id(flow)
-        metadata = 0
-        # Prior to ONOS 1.13.5, Metadata contained the UNI output port number. In
-        # 1.13.5 and later, the lower 32-bits is the output port number and the
-        # upper 32-bits is the inner-vid we are looking for. Use just the lower 32
-        # bits.  Allows this code to work with pre- and post-1.13.5 ONOS OltPipeline
-
-        for field in fd.get_ofb_fields(flow):
-            if field.type == fd.METADATA:
-                metadata = field.table_metadata & 0xFFFFFFFF
-        if table_id is None:
-            return None
-        flows = self.logical_flows_proxy.get('/').items
-        next_flows = []
-        for f in flows:
-            if f.table_id == table_id:
-                # FIXME
-                if fd.get_in_port(f) == fd.get_in_port(flow) and \
-                        fd.get_out_port(f) == metadata:
-
-                    next_flows.append(f)
-
-        if len(next_flows) == 0:
-            self.log.warning('no next flow found, it may be a timing issue',
-                             flow=flow, number_of_flows=len(flows))
-            if flow.id in self.retry_add_flow_list:
-                self.log.debug('flow is already in retry list', flow_id=flow.id)
-            else:
-                self.retry_add_flow_list.append(flow.id)
-                reactor.callLater(5, self.retry_add_flow, flow)
-            return None
-
-        next_flows.sort(key=lambda f: f.priority, reverse=True)
-
-        return next_flows[0]
-
-    def update_children_flows(self, device_rules_map):
-
-        for device_id, (flows, groups) in device_rules_map.iteritems():
-            if device_id != self.device_id:
-                self.root_proxy.update('/devices/{}/flows'.format(device_id),
-                                       Flows(items=flows.values()))
-                self.root_proxy.update('/devices/{}/flow_groups'.format(
-                    device_id), FlowGroups(items=groups.values()))
-
-    def generate_stored_id(self, flow_id, direction):
-        if direction == 'upstream':
-            self.log.debug('upstream flow, shifting id')
-            return 0x1 << 15 | flow_id
-        elif direction == 'downstream':
-            self.log.debug('downstream flow, not shifting id')
-            return flow_id
-        else:
-            self.log.warn('Unrecognized direction', direction=direction)
-            return flow_id
-
-    def decode_stored_id(self, id):
-        if id >> 15 == 0x1:
-            return (id & 0x7fff, 'upstream')
-        else:
-            return (id, 'downstream')
diff --git a/voltha/adapters/bbsimolt/bbsimolt_platform.py b/voltha/adapters/bbsimolt/bbsimolt_platform.py
deleted file mode 100644
index bb55cbf..0000000
--- a/voltha/adapters/bbsimolt/bbsimolt_platform.py
+++ /dev/null
@@ -1,104 +0,0 @@
-#
-# Copyright 2018 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-
-from voltha.protos.device_pb2 import Port
-import voltha.protos.device_pb2 as dev_pb2
-
-class BBSimOltPlatform(object):
-
-    def __init__(self, log):
-        self.log = log
-        self.MAX_ONUS_PER_PON = 64
-
-    def mk_alloc_id(self, intf_id, onu_id, idx=0):
-        # FIXME - driver should do prefixing 1 << 10 as it is Maple specific
-        # return 1<<10 | onu_id<<6 | idx
-        return 1023 + intf_id * self.MAX_ONUS_PER_PON + onu_id  # FIXME
-
-
-    def mk_gemport_id(self, intf_id, onu_id, idx=0):
-        return 1024 + (((self.MAX_ONUS_PER_PON * intf_id + onu_id - 1) * 7) + idx)
-
-    def onu_id_from_gemport_id(self, gemport_id):
-        return (((gemport_id - 1024) // 7) % self.MAX_ONUS_PER_PON) + 1
-
-    def mk_uni_port_num(self, intf_id, onu_id):
-        return intf_id << 11 | onu_id << 4
-
-    def mk_flow_id(self, intf_id, onu_id, idx):
-        return intf_id << 9 | onu_id << 4 | idx
-
-
-    def onu_id_from_port_num(self, port_num):
-        return (port_num >> 4) & 0x7F
-
-
-    def intf_id_from_uni_port_num(self, port_num):
-        return (port_num >> 11) & 0xF
-
-
-    def intf_id_from_pon_port_no(self, port_no):
-        return port_no & 0xF
-
-
-    def intf_id_to_port_no(self, intf_id, intf_type):
-        if intf_type is Port.ETHERNET_NNI:
-            return (0x1 << 16) | intf_id
-        elif intf_type is Port.PON_OLT:
-            return 0x2 << 28 | intf_id
-        else:
-            raise Exception('Invalid port type')
-
-
-    def intf_id_from_nni_port_num(self, port_num):
-        return port_num & 0xFFFF
-
-
-    def intf_id_to_port_type_name(self, intf_id):
-        if (2 << 28 ^ intf_id) < 16:
-            return Port.PON_OLT
-        elif intf_id & (0x1 << 16) == (0x1 << 16):
-            return Port.ETHERNET_NNI
-        else:
-            return None
-
-    def port_type_name_by_port_index(self, port_index):
-        try:
-            return dev_pb2._PORT_PORTTYPE.values_by_number[port_index].name
-        except Exception as err:
-            raise Exception(err)
-
-    def extract_access_from_flow(self, in_port, out_port):
-        if self.is_upstream(out_port):
-            return (self.intf_id_from_uni_port_num(in_port),
-                    self.onu_id_from_port_num(in_port))
-        else:
-            return (self.intf_id_from_uni_port_num(out_port),
-                    self.onu_id_from_port_num(out_port))
-
-    def is_upstream(self, out_port):
-
-        if out_port in [0xfffd, 0xfffffffd]:
-            # To Controller
-            return True
-        if (out_port & (0x1 << 16)) == (0x1 << 16):
-            # NNI interface
-            return True
-
-        return False
-
-    def max_onus_per_pon(self):
-        return self.MAX_ONUS_PER_PON
diff --git a/voltha/adapters/bbsimolt/bbsimolt_statistics.py b/voltha/adapters/bbsimolt/bbsimolt_statistics.py
deleted file mode 100644
index ad4b9fa..0000000
--- a/voltha/adapters/bbsimolt/bbsimolt_statistics.py
+++ /dev/null
@@ -1,608 +0,0 @@
-#
-# Copyright 2018 the original author or authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-# from voltha.protos.events_pb2 import KpiEvent, MetricValuePairs
-# from voltha.protos.events_pb2 import KpiEventType
-# import voltha.adapters.openolt.openolt_platform as platform
-
-# from voltha.adapters.openolt.nni_port import NniPort
-# from voltha.adapters.openolt.pon_port import PonPort
-# from voltha.protos.device_pb2 import Port
-
-from twisted.internet import reactor, defer
-from voltha.extensions.kpi.olt.olt_pm_metrics import OltPmMetrics
-from voltha.protos.device_pb2 import PmConfig, PmConfigs, PmGroupConfig, Port
-from voltha.adapters.bbsimolt.bbsimolt_platform import BBSimOltPlatform
-
-
-class BBSimOltStatisticsMgr(object):
-    def __init__(self, bbsimolt_device, log, **kargs):
-
-        """
-        kargs are used to pass debugging flags at this time.
-        :param openolt_device:
-        :param log:
-        :param kargs:
-        """
-        self.device = bbsimolt_device
-        self.log = log
-        self.platform = BBSimOltPlatform(log)
-        # Northbound and Southbound ports
-        # added to initialize the pm_metrics
-        self.northbound_ports = self.init_ports(type="nni")
-        self.southbound_ports = self.init_ports(type='pon')
-
-        self.pm_metrics = None
-        # The following can be used to allow a standalone test routine to start
-        # the metrics independently
-        self.metrics_init = kargs.pop("metrics_init", True)
-        if self.metrics_init == True:
-            self.init_pm_metrics()
-
-    def init_pm_metrics(self):
-        # Setup PM configuration for this device
-        if self.pm_metrics is None:
-            try:
-                self.device.reason = 'setting up Performance Monitoring configuration'
-                kwargs = {
-                    'nni-ports': self.northbound_ports.values(),
-                    'pon-ports': self.southbound_ports.values()
-                }
-                self.pm_metrics = OltPmMetrics(self.device.adapter_agent, self.device.device_id,
-                                               self.device.logical_device_id,
-                                               grouped=True, freq_override=False,
-                                               **kwargs)
-                """
-                    override the default naming structures in the OltPmMetrics class.
-                    This is being done until the protos can be modified in the BAL driver
-                    
-                """
-                self.pm_metrics.nni_pm_names = (self.get_openolt_port_pm_names())['nni_pm_names']
-                self.pm_metrics.nni_metrics_config = {m: PmConfig(name=m, type=t, enabled=True)
-                                                 for (m, t) in self.pm_metrics.nni_pm_names}
-
-                self.pm_metrics.pon_pm_names = (self.get_openolt_port_pm_names())['pon_pm_names']
-                self.pm_metrics.pon_metrics_config = {m: PmConfig(name=m, type=t, enabled=True)
-                                                 for (m, t) in self.pm_metrics.pon_pm_names}
-                pm_config = self.pm_metrics.make_proto()
-                self.log.info("initial-pm-config", pm_config=pm_config)
-                self.device.adapter_agent.update_device_pm_config(pm_config, init=True)
-                # Start collecting stats from the device after a brief pause
-                reactor.callLater(10, self.pm_metrics.start_collector)
-            except Exception as e:
-                self.log.exception('pm-setup', e=e)
-
-    def port_statistics_indication(self, port_stats):
-        # self.log.info('port-stats-collected', stats=port_stats)
-        self.ports_statistics_kpis(port_stats)
-        #FIXME: etcd problem, do not update objects for now
-
-        #
-        #
-        # #FIXME : only the first uplink is a logical port
-        # if platform.intf_id_to_port_type_name(port_stats.intf_id) ==
-        #   Port.ETHERNET_NNI:
-        #     # ONOS update
-        #     self.update_logical_port_stats(port_stats)
-        # # update port object stats
-        # port = self.device.adapter_agent.get_port(self.device.device_id,
-        #     port_no=port_stats.intf_id)
-        #
-        # if port is None:
-        #     self.log.warn('port associated with this stats does not exist')
-        #     return
-        #
-        # port.rx_packets = port_stats.rx_packets
-        # port.rx_bytes = port_stats.rx_bytes
-        # port.rx_errors = port_stats.rx_error_packets
-        # port.tx_packets = port_stats.tx_packets
-        # port.tx_bytes = port_stats.tx_bytes
-        # port.tx_errors = port_stats.tx_error_packets
-        #
-        # # Add port does an update if port exists
-        # self.device.adapter_agent.add_port(self.device.device_id, port)
-
-    def flow_statistics_indication(self, flow_stats):
-        self.log.info('flow-stats-collected', stats=flow_stats)
-        # TODO: send to kafka ?
-        # FIXME: etcd problem, do not update objects for now
-        # # UNTESTED : the openolt driver does not yet provide flow stats
-        # self.device.adapter_agent.update_flow_stats(
-        #       self.device.logical_device_id,
-        #       flow_id=flow_stats.flow_id, packet_count=flow_stats.tx_packets,
-        #       byte_count=flow_stats.tx_bytes)
-
-    def ports_statistics_kpis(self, port_stats):
-        """
-        map the port stats values into a dictionary
-        Create a kpoEvent and publish to Kafka
-
-        :param port_stats:
-        :return:
-        """
-
-        try:
-            intf_id = port_stats.intf_id
-
-            if self.platform.intf_id_to_port_no(0, Port.ETHERNET_NNI) < intf_id < \
-                    self.platform.intf_id_to_port_no(4, Port.ETHERNET_NNI) :
-                """
-                for this release we are only interested in the first NNI for
-                Northbound.
-                we are not using the other 3
-                """
-                return
-            else:
-
-                pm_data = {}
-                pm_data["rx_bytes"] = port_stats.rx_bytes
-                pm_data["rx_packets"] = port_stats.rx_packets
-                pm_data["rx_ucast_packets"] = port_stats.rx_ucast_packets
-                pm_data["rx_mcast_packets"] = port_stats.rx_mcast_packets
-                pm_data["rx_bcast_packets"] = port_stats.rx_bcast_packets
-                pm_data["rx_error_packets"] = port_stats.rx_error_packets
-                pm_data["tx_bytes"] = port_stats.tx_bytes
-                pm_data["tx_packets"] = port_stats.tx_packets
-                pm_data["tx_ucast_packets"] = port_stats.tx_ucast_packets
-                pm_data["tx_mcast_packets"] = port_stats.tx_mcast_packets
-                pm_data["tx_bcast_packets"] = port_stats.tx_bcast_packets
-                pm_data["tx_error_packets"] = port_stats.tx_error_packets
-                pm_data["rx_crc_errors"] = port_stats.rx_crc_errors
-                pm_data["bip_errors"] = port_stats.bip_errors
-
-                pm_data["intf_id"] = intf_id
-
-                """
-                   Based upon the intf_id map to an nni port or a pon port
-                    the intf_id is the key to the north or south bound collections
-                    
-                    Based upon the intf_id the port object (nni_port or pon_port) will
-                    have its data attr. updated by the current dataset collected.
-                    
-                    For prefixing the rule is currently to use the port number and not the intf_id
-                    
-                """
-                #FIXME : Just use first NNI for now
-                if intf_id == self.platform.intf_id_to_port_no(0,
-                                                          Port.ETHERNET_NNI):
-                    #NNI port (just the first one)
-                    self.update_port_object_kpi_data(
-                        port_object=self.northbound_ports[port_stats.intf_id], datadict=pm_data)
-                else:
-                    #PON ports
-                    self.update_port_object_kpi_data(
-                        port_object=self.southbound_ports[port_stats.intf_id],datadict=pm_data)
-        except Exception as err:
-            self.log.exception("Error publishing kpi statistics. ", errmessage=err)
-
-    def update_logical_port_stats(self, port_stats):
-        try:
-            label = 'nni-{}'.format(port_stats.intf_id)
-            logical_port = self.device.adapter_agent.get_logical_port(
-                self.device.logical_device_id, label)
-        except KeyError as e:
-            self.log.warn('logical port was not found, it may not have been '
-                          'created yet', exception=e)
-            return
-
-        if logical_port is None:
-            self.log.error('logical-port-is-None',
-                logical_device_id=self.device.logical_device_id, label=label,
-                port_stats=port_stats)
-            return
-
-        logical_port.ofp_port_stats.rx_packets = port_stats.rx_packets
-        logical_port.ofp_port_stats.rx_bytes = port_stats.rx_bytes
-        logical_port.ofp_port_stats.tx_packets = port_stats.tx_packets
-        logical_port.ofp_port_stats.tx_bytes = port_stats.tx_bytes
-        logical_port.ofp_port_stats.rx_errors = port_stats.rx_error_packets
-        logical_port.ofp_port_stats.tx_errors = port_stats.tx_error_packets
-        logical_port.ofp_port_stats.rx_crc_err = port_stats.rx_crc_errors
-
-        self.log.debug('after-stats-update', port=logical_port)
-
-        self.device.adapter_agent.update_logical_port(
-            self.device.logical_device_id, logical_port)
-
-    """
-    The following 4 methods customer naming, the generation of the port objects, building of those
-    objects and populating new data.   The pm metrics operate on the value that are contained in the Port objects.
-    This class updates those port objects with the current data from the grpc indication and 
-    post the data on a fixed interval.
-    
-    """
-    def get_openolt_port_pm_names(self):
-        """
-        This collects a dictionary of the custom port names
-        used by the openolt.
-
-        Some of these are the same as the pm names used by the olt_pm_metrics class
-        if the set is the same then there is no need to call this method.   However, when
-        custom names are used in the protos then the specific names should be pushed into
-        the olt_pm_metrics class.
-
-        :return:
-        """
-        nni_pm_names = {
-            ('intf_id', PmConfig.CONTEXT),  # Physical device interface ID/Port number
-
-            ('admin_state', PmConfig.STATE),
-            ('oper_status', PmConfig.STATE),
-            ('port_no', PmConfig.GAUGE),
-            ('rx_bytes', PmConfig.COUNTER),
-            ('rx_packets', PmConfig.COUNTER),
-            ('rx_ucast_packets', PmConfig.COUNTER),
-            ('rx_mcast_packets', PmConfig.COUNTER),
-            ('rx_bcast_packets', PmConfig.COUNTER),
-            ('rx_error_packets', PmConfig.COUNTER),
-            ('tx_bytes', PmConfig.COUNTER),
-            ('tx_packets', PmConfig.COUNTER),
-            ('tx_ucast_packets', PmConfig.COUNTER),
-            ('tx_mcast_packets', PmConfig.COUNTER),
-            ('tx_bcast_packets', PmConfig.COUNTER),
-            ('tx_error_packets', PmConfig.COUNTER)
-        }
-        nni_pm_names_from_kpi_extension = {
-            ('intf_id', PmConfig.CONTEXT),  # Physical device interface ID/Port number
-
-            ('admin_state', PmConfig.STATE),
-            ('oper_status', PmConfig.STATE),
-
-            ('rx_bytes', PmConfig.COUNTER),
-            ('rx_packets', PmConfig.COUNTER),
-            ('rx_ucast_packets', PmConfig.COUNTER),
-            ('rx_mcast_packets', PmConfig.COUNTER),
-            ('rx_bcast_packets', PmConfig.COUNTER),
-            ('rx_error_packets', PmConfig.COUNTER),
-
-            ('tx_bytes', PmConfig.COUNTER),
-            ('tx_packets', PmConfig.COUNTER),
-            ('tx_ucast_packets', PmConfig.COUNTER),
-            ('tx_mcast_packets', PmConfig.COUNTER),
-            ('tx_bcast_packets', PmConfig.COUNTER),
-            ('tx_error_packets', PmConfig.COUNTER),
-            ('rx_crc_errors', PmConfig.COUNTER),
-            ('bip_errors', PmConfig.COUNTER),
-        }
-
-        # pon_names uses same structure as nmi_names with the addition of pon_id to context
-        pon_pm_names = {
-            ('pon_id', PmConfig.CONTEXT),  # PON ID (0..n)
-            ('port_no', PmConfig.CONTEXT),
-
-            ('admin_state', PmConfig.STATE),
-            ('oper_status', PmConfig.STATE),
-            ('rx_bytes', PmConfig.COUNTER),
-            ('rx_packets', PmConfig.COUNTER),
-            ('rx_ucast_packets', PmConfig.COUNTER),
-            ('rx_mcast_packets', PmConfig.COUNTER),
-            ('rx_bcast_packets', PmConfig.COUNTER),
-            ('rx_error_packets', PmConfig.COUNTER),
-            ('tx_bytes', PmConfig.COUNTER),
-            ('tx_packets', PmConfig.COUNTER),
-            ('tx_ucast_packets', PmConfig.COUNTER),
-            ('tx_mcast_packets', PmConfig.COUNTER),
-            ('tx_bcast_packets', PmConfig.COUNTER),
-            ('tx_error_packets', PmConfig.COUNTER)
-        }
-        pon_pm_names_from_kpi_extension = {
-            ('intf_id', PmConfig.CONTEXT),        # Physical device port number (PON)
-            ('pon_id', PmConfig.CONTEXT),         # PON ID (0..n)
-
-            ('admin_state', PmConfig.STATE),
-            ('oper_status', PmConfig.STATE),
-            ('rx_packets', PmConfig.COUNTER),
-            ('rx_bytes', PmConfig.COUNTER),
-            ('tx_packets', PmConfig.COUNTER),
-            ('tx_bytes', PmConfig.COUNTER),
-            ('tx_bip_errors', PmConfig.COUNTER),
-            ('in_service_onus', PmConfig.GAUGE),
-            ('closest_onu_distance', PmConfig.GAUGE)
-        }
-        onu_pm_names = {
-            ('intf_id', PmConfig.CONTEXT),        # Physical device port number (PON)
-            ('pon_id', PmConfig.CONTEXT),
-            ('onu_id', PmConfig.CONTEXT),
-
-            ('fiber_length', PmConfig.GAUGE),
-            ('equalization_delay', PmConfig.GAUGE),
-            ('rssi', PmConfig.GAUGE),
-        }
-        gem_pm_names = {
-            ('intf_id', PmConfig.CONTEXT),        # Physical device port number (PON)
-            ('pon_id', PmConfig.CONTEXT),
-            ('onu_id', PmConfig.CONTEXT),
-            ('gem_id', PmConfig.CONTEXT),
-
-            ('alloc_id', PmConfig.GAUGE),
-            ('rx_packets', PmConfig.COUNTER),
-            ('rx_bytes', PmConfig.COUNTER),
-            ('tx_packets', PmConfig.COUNTER),
-            ('tx_bytes', PmConfig.COUNTER),
-        }
-        # Build a dict for the names.  The caller will index to the correct values
-        names_dict = {"nni_pm_names": nni_pm_names,
-                      "pon_pm_names": pon_pm_names,
-                      "pon_pm_names_orig": pon_pm_names_from_kpi_extension,
-                      "onu_pm_names": onu_pm_names,
-                      "gem_pm_names": gem_pm_names,
-
-                      }
-
-        return names_dict
-
-    def init_ports(self,  device_id=12345, type="nni", log=None):
-        """
-        This method collects the port objects:  nni and pon that are updated with the
-        current data from the OLT
-
-        Both the northbound (nni) and southbound ports are indexed by the interface id (intf_id)
-        and NOT the port number. When the port object is instantiated it will contain the intf_id and
-        port_no values
-
-        :param type:
-        :param device_id:
-        :param log:
-        :return:
-        """
-        try:
-            if type == "nni":
-                nni_ports = {}
-                for i in range(0, 1):
-                    nni_port = self.build_port_object(i, type='nni')
-                    nni_ports[nni_port.intf_id] = nni_port
-                return nni_ports
-            elif type == "pon":
-                pon_ports = {}
-                for i in range(0, 16):
-                    pon_port = self.build_port_object(i, type="pon")
-                    pon_ports[pon_port.intf_id] = pon_port
-                return pon_ports
-            else:
-                self.log.exception("Unmapped port type requested = " , type=type)
-                raise Exception("Unmapped port type requested = " + type)
-
-        except Exception as err:
-            raise Exception(err)
-
-    def build_port_object(self, port_num, type="nni"):
-        """
-        Seperate method to allow for updating north and southbound ports
-        newly discovered ports and devices
-
-        :param port_num:
-        :param type:
-        :return:
-        """
-        try:
-            """ 
-             This builds a port object which is added to the 
-             appropriate northbound or southbound values
-            """
-            if type == "nni":
-                kwargs = {
-                    'port_no': port_num,
-                    'intf_id': self.platform.intf_id_to_port_no(port_num,
-                                                           Port.ETHERNET_NNI),
-                    "device_id": self.device.device_id
-                }
-                nni_port = NniPort
-                port = nni_port( **kwargs)
-                return port
-            elif type == "pon":
-                # PON ports require a different configuration
-                #  intf_id and pon_id are currently equal.
-                kwargs = {
-                    'port_no': port_num,
-                    'intf_id':  self.platform.intf_id_to_port_no(port_num,
-                                                           Port.PON_OLT),
-                    'pon-id':  self.platform.intf_id_to_port_no(port_num,
-                                                           Port.PON_OLT),
-                    "device_id": self.device.device_id
-                }
-                pon_port = PonPort
-                port = pon_port(**kwargs)
-                return port
-
-            else:
-                self.log.exception("Unknown port type")
-                raise Exception("Unknown port type")
-
-        except Exception as err:
-            self.log.exception("Unknown port type", error=err)
-            raise Exception(err)
-
-    def update_port_object_kpi_data(self, port_object, datadict={}):
-        """
-        This method takes the formatted data the is marshalled from
-        the initicator collector and updates the corresponding property by
-        attr get and set.
-
-        :param port: The port class to be updated
-        :param datadict:
-        :return:
-        """
-
-        try:
-            cur_attr = ""
-            if isinstance(port_object, NniPort):
-                for k, v in datadict.items():
-                    cur_attr = k
-                    if hasattr(port_object, k):
-                        setattr(port_object, k, v)
-            elif isinstance(port_object, PonPort):
-                for k, v in datadict.items():
-                    cur_attr = k
-                    if hasattr(port_object, k):
-                        setattr(port_object, k, v)
-            else:
-                raise Exception("Must be either PON or NNI port.")
-            return
-        except Exception as err:
-            self.log.exception("Caught error updating port data: ", cur_attr=cur_attr, errormsg=err.message)
-            raise Exception(err)
-
-
-class PonPort(object):
-    """
-    This is a highly reduced version taken from the adtran pon_port.
-    TODO: Extend for use in the openolt adapter set.
-    """
-    MAX_ONUS_SUPPORTED = 256
-    DEFAULT_ENABLED = False
-    MAX_DEPLOYMENT_RANGE = 25000  # Meters (OLT-PB maximum)
-
-    _MCAST_ONU_ID = 253
-    _MCAST_ALLOC_BASE = 0x500
-
-    _SUPPORTED_ACTIVATION_METHODS = ['autodiscovery']  # , 'autoactivate']
-    _SUPPORTED_AUTHENTICATION_METHODS = ['serial-number']
-
-    def __init__(self, **kwargs):
-        assert 'pon-id' in kwargs, 'PON ID not found'
-
-        self._pon_id = kwargs['pon-id']
-        self._device_id = kwargs['device_id']
-        self._intf_id = kwargs['intf_id']
-        self._port_no = kwargs['port_no']
-        self._port_id = 0
-        # self._name = 'xpon 0/{}'.format(self._pon_id+1)
-        self._label = 'pon-{}'.format(self._pon_id)
-
-        self._onus = {}  # serial_number-base64 -> ONU  (allowed list)
-        self._onu_by_id = {}  # onu-id -> ONU
-
-        """
-        Statistics  taken from nni_port
-        self.intf_id = 0  #handled by getter
-        self.port_no = 0  #handled by getter
-        self.port_id = 0  #handled by getter  
-
-        Note:  In the current implementation of the kpis coming from the BAL the stats are the
-        samne model for NNI and PON.
-
-        TODO:   Integrate additional kpis for the PON and other southbound port objecgts.      
-
-        """
-
-        self.rx_bytes = 0
-        self.rx_packets = 0
-        self.rx_mcast_packets = 0
-        self.rx_bcast_packets = 0
-        self.rx_error_packets = 0
-        self.tx_bytes = 0
-        self.tx_packets = 0
-        self.tx_ucast_packets = 0
-        self.tx_mcast_packets = 0
-        self.tx_bcast_packets = 0
-        self.tx_error_packets = 0
-        return
-
-    def __str__(self):
-        return "PonPort-{}: Admin: {}, Oper: {}, OLT: {}".format(self._label,
-                                                                 self._admin_state,
-                                                                 self._oper_status,
-                                                                 self.olt)
-
-    @property
-    def intf_id(self):
-        return self._intf_id
-
-    @intf_id.setter
-    def intf_id(self, value):
-        self._intf_id = value
-
-    @property
-    def pon_id(self):
-        return self._pon_id
-
-    @pon_id.setter
-    def pon_id(self, value):
-        self._pon_id = value
-
-    @property
-    def port_no(self):
-        return self._port_no
-
-    @port_no.setter
-    def port_no(self, value):
-        self._port_no = value
-
-    @property
-    def port_id(self):
-        return self._port_id
-
-    @intf_id.setter
-    def port_id(self, value):
-        self._port_id = value
-
-    @property
-    def onus(self):
-        """
-        Get a set of all ONUs.  While the set is immutable, do not use this method
-        to get a collection that you will iterate through that my yield the CPU
-        such as inline callback.  ONUs may be deleted at any time and they will
-        set some references to other objects to NULL during the 'delete' call.
-        Instead, get a list of ONU-IDs and iterate on these and call the 'onu'
-        method below (which will return 'None' if the ONU has been deleted.
-
-        :return: (frozenset) collection of ONU objects on this PON
-        """
-        return frozenset(self._onus.values())
-
-    @property
-    def onu_ids(self):
-        return frozenset(self._onu_by_id.keys())
-
-    def onu(self, onu_id):
-        return self._onu_by_id.get(onu_id)
-
-
-class NniPort(object):
-    """
-    Northbound network port, often Ethernet-based
-
-    This is a highly reduced version taken from the adtran nni_port code set
-    TODO:   add functions to allow for port specific values and operations
-
-    """
-    def __init__(self, **kwargs):
-        # TODO: Extend for use in the openolt adapter set.
-        self.port_no = kwargs.get('port_no')
-        self._port_no = self.port_no
-        self._name = kwargs.get('name', 'nni-{}'.format(self._port_no))
-        self._logical_port = None
-
-        # Statistics
-        self.intf_id = kwargs.pop('intf_id', None)
-        self.port_no = 0
-        self.rx_bytes = 0
-        self.rx_packets = 0
-        self.rx_mcast_packets = 0
-        self.rx_bcast_packets = 0
-        self.rx_error_packets = 0
-        self.tx_bytes = 0
-        self.tx_packets = 0
-        self.tx_ucast_packets = 0
-        self.tx_mcast_packets = 0
-        self.tx_bcast_packets = 0
-        self.tx_error_packets = 0
-        return
-
-    def __str__(self):
-        return "NniPort-{}: Admin: {}, Oper: {}, parent: {}".format(self._port_no,
-                                                                    self._admin_state,
-                                                                    self._oper_status,
-                                                                    self._parent)
\ No newline at end of file