diff --git a/vendor/modules.txt b/vendor/modules.txt
index 5adc681..c327981 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -1,6 +1,6 @@
 # github.com/aead/cmac v0.0.0-20160719120800-7af84192f0b1
-github.com/aead/cmac/aes
 github.com/aead/cmac
+github.com/aead/cmac/aes
 # github.com/cboling/omci v0.1.0
 github.com/cboling/omci
 github.com/cboling/omci/generated
@@ -12,21 +12,21 @@
 github.com/golang/glog
 # github.com/golang/protobuf v1.3.2
 github.com/golang/protobuf/descriptor
+github.com/golang/protobuf/jsonpb
 github.com/golang/protobuf/proto
 github.com/golang/protobuf/protoc-gen-go
 github.com/golang/protobuf/protoc-gen-go/descriptor
-github.com/golang/protobuf/jsonpb
-github.com/golang/protobuf/ptypes/any
-github.com/golang/protobuf/ptypes/duration
-github.com/golang/protobuf/ptypes/timestamp
-github.com/golang/protobuf/ptypes/wrappers
-github.com/golang/protobuf/ptypes
-github.com/golang/protobuf/ptypes/struct
-github.com/golang/protobuf/ptypes/empty
 github.com/golang/protobuf/protoc-gen-go/generator
+github.com/golang/protobuf/protoc-gen-go/generator/internal/remap
 github.com/golang/protobuf/protoc-gen-go/grpc
 github.com/golang/protobuf/protoc-gen-go/plugin
-github.com/golang/protobuf/protoc-gen-go/generator/internal/remap
+github.com/golang/protobuf/ptypes
+github.com/golang/protobuf/ptypes/any
+github.com/golang/protobuf/ptypes/duration
+github.com/golang/protobuf/ptypes/empty
+github.com/golang/protobuf/ptypes/struct
+github.com/golang/protobuf/ptypes/timestamp
+github.com/golang/protobuf/ptypes/wrappers
 # github.com/google/go-cmp v0.2.0
 github.com/google/go-cmp/cmp
 github.com/google/go-cmp/cmp/internal/diff
@@ -37,33 +37,33 @@
 github.com/google/gopacket/layers
 github.com/google/gopacket/pcap
 # github.com/grpc-ecosystem/grpc-gateway v1.11.3
+github.com/grpc-ecosystem/grpc-gateway/codegenerator
+github.com/grpc-ecosystem/grpc-gateway/internal
+github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
+github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/descriptor
+github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/generator
+github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/gengateway
+github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/httprule
+github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger
+github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/genswagger
+github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/options
 github.com/grpc-ecosystem/grpc-gateway/runtime
 github.com/grpc-ecosystem/grpc-gateway/utilities
-github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/options
-github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
-github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger
-github.com/grpc-ecosystem/grpc-gateway/internal
-github.com/grpc-ecosystem/grpc-gateway/codegenerator
-github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/descriptor
-github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/gengateway
-github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger/genswagger
-github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/httprule
-github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/generator
 # github.com/jessevdk/go-flags v1.4.0
 github.com/jessevdk/go-flags
 # github.com/jhump/protoreflect v1.5.0
-github.com/jhump/protoreflect/desc
-github.com/jhump/protoreflect/dynamic
-github.com/jhump/protoreflect/desc/internal
-github.com/jhump/protoreflect/internal
 github.com/jhump/protoreflect/codec
+github.com/jhump/protoreflect/desc
+github.com/jhump/protoreflect/desc/internal
+github.com/jhump/protoreflect/dynamic
+github.com/jhump/protoreflect/internal
 # github.com/konsorten/go-windows-terminal-sequences v1.0.1
 github.com/konsorten/go-windows-terminal-sequences
 # github.com/looplab/fsm v0.1.0
 github.com/looplab/fsm
 # github.com/opencord/cordctl v0.0.0-20190909161711-01e9c1f04bf4
 github.com/opencord/cordctl/pkg/format
-# github.com/opencord/omci-sim v0.0.0-20191011202236-3687c57a7252
+# github.com/opencord/omci-sim v0.0.1
 github.com/opencord/omci-sim
 # github.com/opencord/voltha-protos/v2 v2.1.0
 github.com/opencord/voltha-protos/v2/go/openolt
@@ -73,38 +73,38 @@
 # github.com/sirupsen/logrus v1.4.2
 github.com/sirupsen/logrus
 # golang.org/x/net v0.0.0-20190724013045-ca1201d0de80
-golang.org/x/net/trace
-golang.org/x/net/internal/timeseries
-golang.org/x/net/http2
-golang.org/x/net/http2/hpack
 golang.org/x/net/context
 golang.org/x/net/http/httpguts
+golang.org/x/net/http2
+golang.org/x/net/http2/hpack
 golang.org/x/net/idna
+golang.org/x/net/internal/timeseries
+golang.org/x/net/trace
 # golang.org/x/sys v0.0.0-20190422165155-953cdadca894
 golang.org/x/sys/unix
 # golang.org/x/text v0.3.0
 golang.org/x/text/secure/bidirule
+golang.org/x/text/transform
 golang.org/x/text/unicode/bidi
 golang.org/x/text/unicode/norm
-golang.org/x/text/transform
 # google.golang.org/genproto v0.0.0-20190716160619-c506a9f90610
 google.golang.org/genproto/googleapis/api/annotations
 google.golang.org/genproto/googleapis/api/httpbody
-google.golang.org/genproto/protobuf/field_mask
 google.golang.org/genproto/googleapis/rpc/status
+google.golang.org/genproto/protobuf/field_mask
 # google.golang.org/grpc v1.22.1
 google.golang.org/grpc
-google.golang.org/grpc/codes
-google.golang.org/grpc/grpclog
-google.golang.org/grpc/status
-google.golang.org/grpc/reflection
-google.golang.org/grpc/metadata
 google.golang.org/grpc/balancer
+google.golang.org/grpc/balancer/base
 google.golang.org/grpc/balancer/roundrobin
+google.golang.org/grpc/binarylog/grpc_binarylog_v1
+google.golang.org/grpc/codes
 google.golang.org/grpc/connectivity
 google.golang.org/grpc/credentials
+google.golang.org/grpc/credentials/internal
 google.golang.org/grpc/encoding
 google.golang.org/grpc/encoding/proto
+google.golang.org/grpc/grpclog
 google.golang.org/grpc/internal
 google.golang.org/grpc/internal/backoff
 google.golang.org/grpc/internal/balancerload
@@ -113,26 +113,26 @@
 google.golang.org/grpc/internal/envconfig
 google.golang.org/grpc/internal/grpcrand
 google.golang.org/grpc/internal/grpcsync
+google.golang.org/grpc/internal/syscall
 google.golang.org/grpc/internal/transport
 google.golang.org/grpc/keepalive
+google.golang.org/grpc/metadata
 google.golang.org/grpc/naming
 google.golang.org/grpc/peer
+google.golang.org/grpc/reflection
+google.golang.org/grpc/reflection/grpc_reflection_v1alpha
 google.golang.org/grpc/resolver
 google.golang.org/grpc/resolver/dns
 google.golang.org/grpc/resolver/passthrough
 google.golang.org/grpc/serviceconfig
 google.golang.org/grpc/stats
+google.golang.org/grpc/status
 google.golang.org/grpc/tap
-google.golang.org/grpc/reflection/grpc_reflection_v1alpha
-google.golang.org/grpc/balancer/base
-google.golang.org/grpc/credentials/internal
-google.golang.org/grpc/binarylog/grpc_binarylog_v1
-google.golang.org/grpc/internal/syscall
 # gopkg.in/yaml.v2 v2.2.2
 gopkg.in/yaml.v2
 # gotest.tools v2.2.0+incompatible
 gotest.tools/assert
 gotest.tools/assert/cmp
+gotest.tools/internal/difflib
 gotest.tools/internal/format
 gotest.tools/internal/source
-gotest.tools/internal/difflib