diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/common.go b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/common.go
new file mode 100644
index 0000000..489a493
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/common.go
@@ -0,0 +1,31 @@
+/*
+ * Copyright 2020-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.
+ */
+package events
+
+import (
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+)
+
+var logger log.CLogger
+
+func init() {
+	// Setup this package so that it's log level can be modified at run time
+	var err error
+	logger, err = log.RegisterPackage(log.JSON, log.ErrorLevel, log.Fields{})
+	if err != nil {
+		panic(err)
+	}
+}
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/eventif/events_proxy_if.go b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/eventif/events_proxy_if.go
new file mode 100644
index 0000000..7418ea1
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/eventif/events_proxy_if.go
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020-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.
+ */
+
+package eventif
+
+import (
+	"context"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
+)
+
+// EventProxy interface for eventproxy
+type EventProxy interface {
+	SendDeviceEvent(ctx context.Context, deviceEvent *voltha.DeviceEvent, category EventCategory,
+		subCategory EventSubCategory, raisedTs int64) error
+	SendKpiEvent(ctx context.Context, id string, deviceEvent *voltha.KpiEvent2, category EventCategory,
+		subCategory EventSubCategory, raisedTs int64) error
+	SendRPCEvent(ctx context.Context, id string, deviceEvent *voltha.RPCEvent, category EventCategory,
+		subCategory *EventSubCategory, raisedTs int64) error
+}
+
+const (
+	EventTypeVersion = "0.1"
+)
+
+type (
+	EventType        = voltha.EventType_Types
+	EventCategory    = voltha.EventCategory_Types
+	EventSubCategory = voltha.EventSubCategory_Types
+)
diff --git a/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go
new file mode 100644
index 0000000..c4014ee
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v4/pkg/events/events_proxy.go
@@ -0,0 +1,189 @@
+/*
+ * Copyright 2020-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.
+ */
+
+package events
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/golang/protobuf/ptypes"
+	"github.com/opencord/voltha-lib-go/v4/pkg/events/eventif"
+	"github.com/opencord/voltha-lib-go/v4/pkg/kafka"
+	"github.com/opencord/voltha-lib-go/v4/pkg/log"
+	"github.com/opencord/voltha-protos/v4/go/voltha"
+)
+
+type EventProxy struct {
+	kafkaClient kafka.Client
+	eventTopic  kafka.Topic
+}
+
+func NewEventProxy(opts ...EventProxyOption) *EventProxy {
+	var proxy EventProxy
+	for _, option := range opts {
+		option(&proxy)
+	}
+	return &proxy
+}
+
+type EventProxyOption func(*EventProxy)
+
+func MsgClient(client kafka.Client) EventProxyOption {
+	return func(args *EventProxy) {
+		args.kafkaClient = client
+	}
+}
+
+func MsgTopic(topic kafka.Topic) EventProxyOption {
+	return func(args *EventProxy) {
+		args.eventTopic = topic
+	}
+}
+
+func (ep *EventProxy) formatId(eventName string) string {
+	return fmt.Sprintf("Voltha.openolt.%s.%s", eventName, strconv.FormatInt(time.Now().UnixNano(), 10))
+}
+
+func (ep *EventProxy) getEventHeader(eventName string,
+	category eventif.EventCategory,
+	subCategory *eventif.EventSubCategory,
+	eventType eventif.EventType,
+	raisedTs int64) (*voltha.EventHeader, error) {
+	var header voltha.EventHeader
+	if strings.Contains(eventName, "_") {
+		eventName = strings.Join(strings.Split(eventName, "_")[:len(strings.Split(eventName, "_"))-2], "_")
+	} else {
+		eventName = "UNKNOWN_EVENT"
+	}
+	/* Populating event header */
+	header.Id = ep.formatId(eventName)
+	header.Category = category
+	if subCategory != nil {
+		header.SubCategory = *subCategory
+	} else {
+		header.SubCategory = voltha.EventSubCategory_NONE
+	}
+	header.Type = eventType
+	header.TypeVersion = eventif.EventTypeVersion
+
+	// raisedTs is in nanoseconds
+	timestamp, err := ptypes.TimestampProto(time.Unix(0, raisedTs))
+	if err != nil {
+		return nil, err
+	}
+	header.RaisedTs = timestamp
+
+	timestamp, err = ptypes.TimestampProto(time.Now())
+	if err != nil {
+		return nil, err
+	}
+	header.ReportedTs = timestamp
+
+	return &header, nil
+}
+
+/* Send out rpc events*/
+func (ep *EventProxy) SendRPCEvent(ctx context.Context, id string, rpcEvent *voltha.RPCEvent, category eventif.EventCategory, subCategory *eventif.EventSubCategory, raisedTs int64) error {
+	if rpcEvent == nil {
+		logger.Error(ctx, "Received empty rpc event")
+		return errors.New("rpc event nil")
+	}
+	var event voltha.Event
+	var err error
+	if event.Header, err = ep.getEventHeader(id, category, subCategory, voltha.EventType_RPC_EVENT, raisedTs); err != nil {
+		return err
+	}
+	event.EventType = &voltha.Event_RpcEvent{RpcEvent: rpcEvent}
+	if err := ep.sendEvent(ctx, &event); err != nil {
+		logger.Errorw(ctx, "Failed to send rpc event to KAFKA bus", log.Fields{"rpc-event": rpcEvent})
+		return err
+	}
+	logger.Debugw(ctx, "Successfully sent RPC event to KAFKA bus", log.Fields{"Id": event.Header.Id, "Category": event.Header.Category,
+		"SubCategory": event.Header.SubCategory, "Type": event.Header.Type, "TypeVersion": event.Header.TypeVersion,
+		"ReportedTs": event.Header.ReportedTs, "ResourceId": rpcEvent.ResourceId, "Context": rpcEvent.Context,
+		"RPCEventName": id})
+
+	return nil
+
+}
+
+/* Send out device events*/
+func (ep *EventProxy) SendDeviceEvent(ctx context.Context, deviceEvent *voltha.DeviceEvent, category eventif.EventCategory, subCategory eventif.EventSubCategory, raisedTs int64) error {
+	if deviceEvent == nil {
+		logger.Error(ctx, "Recieved empty device event")
+		return errors.New("Device event nil")
+	}
+	var event voltha.Event
+	var de voltha.Event_DeviceEvent
+	var err error
+	de.DeviceEvent = deviceEvent
+	if event.Header, err = ep.getEventHeader(deviceEvent.DeviceEventName, category, &subCategory, voltha.EventType_DEVICE_EVENT, raisedTs); err != nil {
+		return err
+	}
+	event.EventType = &de
+	if err := ep.sendEvent(ctx, &event); err != nil {
+		logger.Errorw(ctx, "Failed to send device event to KAFKA bus", log.Fields{"device-event": deviceEvent})
+		return err
+	}
+	logger.Infow(ctx, "Successfully sent device event KAFKA", log.Fields{"Id": event.Header.Id, "Category": event.Header.Category,
+		"SubCategory": event.Header.SubCategory, "Type": event.Header.Type, "TypeVersion": event.Header.TypeVersion,
+		"ReportedTs": event.Header.ReportedTs, "ResourceId": deviceEvent.ResourceId, "Context": deviceEvent.Context,
+		"DeviceEventName": deviceEvent.DeviceEventName})
+
+	return nil
+
+}
+
+// SendKpiEvent is to send kpi events to voltha.event topic
+func (ep *EventProxy) SendKpiEvent(ctx context.Context, id string, kpiEvent *voltha.KpiEvent2, category eventif.EventCategory, subCategory eventif.EventSubCategory, raisedTs int64) error {
+	if kpiEvent == nil {
+		logger.Error(ctx, "Recieved empty kpi event")
+		return errors.New("KPI event nil")
+	}
+	var event voltha.Event
+	var de voltha.Event_KpiEvent2
+	var err error
+	de.KpiEvent2 = kpiEvent
+	if event.Header, err = ep.getEventHeader(id, category, &subCategory, voltha.EventType_KPI_EVENT2, raisedTs); err != nil {
+		return err
+	}
+	event.EventType = &de
+	if err := ep.sendEvent(ctx, &event); err != nil {
+		logger.Errorw(ctx, "Failed to send kpi event to KAFKA bus", log.Fields{"device-event": kpiEvent})
+		return err
+	}
+	logger.Infow(ctx, "Successfully sent kpi event to KAFKA", log.Fields{"Id": event.Header.Id, "Category": event.Header.Category,
+		"SubCategory": event.Header.SubCategory, "Type": event.Header.Type, "TypeVersion": event.Header.TypeVersion,
+		"ReportedTs": event.Header.ReportedTs, "KpiEventName": "STATS_EVENT"})
+
+	return nil
+
+}
+
+func (ep *EventProxy) sendEvent(ctx context.Context, event *voltha.Event) error {
+	logger.Debugw(ctx, "Send event to kafka", log.Fields{"event": event})
+	if err := ep.kafkaClient.Send(ctx, event, &ep.eventTopic); err != nil {
+		return err
+	}
+	logger.Debugw(ctx, "Sent event to kafka", log.Fields{"event": event})
+
+	return nil
+}
diff --git a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/events.pb.go b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/events.pb.go
index f51a7b7..2dc1826 100644
--- a/vendor/github.com/opencord/voltha-protos/v4/go/voltha/events.pb.go
+++ b/vendor/github.com/opencord/voltha-protos/v4/go/voltha/events.pb.go
@@ -116,11 +116,12 @@
 type EventSubCategory_Types int32
 
 const (
-	EventSubCategory_PON EventSubCategory_Types = 0
-	EventSubCategory_OLT EventSubCategory_Types = 1
-	EventSubCategory_ONT EventSubCategory_Types = 2
-	EventSubCategory_ONU EventSubCategory_Types = 3
-	EventSubCategory_NNI EventSubCategory_Types = 4
+	EventSubCategory_PON  EventSubCategory_Types = 0
+	EventSubCategory_OLT  EventSubCategory_Types = 1
+	EventSubCategory_ONT  EventSubCategory_Types = 2
+	EventSubCategory_ONU  EventSubCategory_Types = 3
+	EventSubCategory_NNI  EventSubCategory_Types = 4
+	EventSubCategory_NONE EventSubCategory_Types = 5
 )
 
 var EventSubCategory_Types_name = map[int32]string{
@@ -129,14 +130,16 @@
 	2: "ONT",
 	3: "ONU",
 	4: "NNI",
+	5: "NONE",
 }
 
 var EventSubCategory_Types_value = map[string]int32{
-	"PON": 0,
-	"OLT": 1,
-	"ONT": 2,
-	"ONU": 3,
-	"NNI": 4,
+	"PON":  0,
+	"OLT":  1,
+	"ONT":  2,
+	"ONU":  3,
+	"NNI":  4,
+	"NONE": 5,
 }
 
 func (x EventSubCategory_Types) String() string {
@@ -1149,85 +1152,86 @@
 func init() { proto.RegisterFile("voltha_protos/events.proto", fileDescriptor_e63e6c07044fd2c4) }
 
 var fileDescriptor_e63e6c07044fd2c4 = []byte{
-	// 1274 bytes of a gzipped FileDescriptorProto
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 }
diff --git a/vendor/modules.txt b/vendor/modules.txt
index e072be6..8ced92b 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -102,13 +102,15 @@
 github.com/modern-go/concurrent
 # github.com/modern-go/reflect2 v1.0.1
 github.com/modern-go/reflect2
-# github.com/opencord/voltha-lib-go/v4 v4.0.7
+# github.com/opencord/voltha-lib-go/v4 v4.0.8
 github.com/opencord/voltha-lib-go/v4/pkg/adapters
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/adapterif
 github.com/opencord/voltha-lib-go/v4/pkg/adapters/common
 github.com/opencord/voltha-lib-go/v4/pkg/config
 github.com/opencord/voltha-lib-go/v4/pkg/db
 github.com/opencord/voltha-lib-go/v4/pkg/db/kvstore
+github.com/opencord/voltha-lib-go/v4/pkg/events
+github.com/opencord/voltha-lib-go/v4/pkg/events/eventif
 github.com/opencord/voltha-lib-go/v4/pkg/flows
 github.com/opencord/voltha-lib-go/v4/pkg/grpc
 github.com/opencord/voltha-lib-go/v4/pkg/kafka
@@ -117,7 +119,7 @@
 github.com/opencord/voltha-lib-go/v4/pkg/mocks/kafka
 github.com/opencord/voltha-lib-go/v4/pkg/probe
 github.com/opencord/voltha-lib-go/v4/pkg/version
-# github.com/opencord/voltha-protos/v4 v4.0.8
+# github.com/opencord/voltha-protos/v4 v4.0.12
 github.com/opencord/voltha-protos/v4/go/common
 github.com/opencord/voltha-protos/v4/go/ext/config
 github.com/opencord/voltha-protos/v4/go/extension