diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/adapter_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/adapter_proxy.go
index b302214..02fa3de 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/adapter_proxy.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/adapter_proxy.go
@@ -29,12 +29,12 @@
 )
 
 type AdapterProxy struct {
-	kafkaICProxy *kafka.InterContainerProxy
+	kafkaICProxy kafka.InterContainerProxy
 	adapterTopic string
 	coreTopic    string
 }
 
-func NewAdapterProxy(kafkaProxy *kafka.InterContainerProxy, adapterTopic string, coreTopic string) *AdapterProxy {
+func NewAdapterProxy(kafkaProxy kafka.InterContainerProxy, adapterTopic string, coreTopic string) *AdapterProxy {
 	var proxy AdapterProxy
 	proxy.kafkaICProxy = kafkaProxy
 	proxy.adapterTopic = adapterTopic
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/core_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/core_proxy.go
index 9b46c28..c5e1c14 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/core_proxy.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/adapters/common/core_proxy.go
@@ -30,14 +30,14 @@
 )
 
 type CoreProxy struct {
-	kafkaICProxy        *kafka.InterContainerProxy
+	kafkaICProxy        kafka.InterContainerProxy
 	adapterTopic        string
 	coreTopic           string
 	deviceIdCoreMap     map[string]string
 	lockDeviceIdCoreMap sync.RWMutex
 }
 
-func NewCoreProxy(kafkaProxy *kafka.InterContainerProxy, adapterTopic string, coreTopic string) *CoreProxy {
+func NewCoreProxy(kafkaProxy kafka.InterContainerProxy, adapterTopic string, coreTopic string) *CoreProxy {
 	var proxy CoreProxy
 	proxy.kafkaICProxy = kafkaProxy
 	proxy.adapterTopic = adapterTopic
@@ -431,8 +431,14 @@
 			logger.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
 		}
 		logger.Debugw("GetChildDevice-return", log.Fields{"deviceid": parentDeviceId, "success": success, "error": err})
-		// TODO:  Need to get the real error code
-		return nil, status.Errorf(codes.Internal, "%s", unpackResult.Reason)
+
+		code := codes.Internal
+
+		if unpackResult.Code == ic.ErrorCode_DEADLINE_EXCEEDED {
+			code = codes.DeadlineExceeded
+		}
+
+		return nil, status.Errorf(code, "%s", unpackResult.Reason)
 	}
 }
 
@@ -467,8 +473,14 @@
 			logger.Warnw("cannot-unmarshal-response", log.Fields{"error": err})
 		}
 		logger.Debugw("GetChildDevices-return", log.Fields{"deviceid": parentDeviceId, "success": success, "error": err})
-		// TODO:  Need to get the real error code
-		return nil, status.Errorf(codes.Internal, "%s", unpackResult.Reason)
+
+		code := codes.Internal
+
+		if unpackResult.Code == ic.ErrorCode_DEADLINE_EXCEEDED {
+			code = codes.DeadlineExceeded
+		}
+
+		return nil, status.Errorf(code, "%s", unpackResult.Reason)
 	}
 }
 
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/backend.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/backend.go
index 23ad5a0..9bb49ac 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/backend.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/backend.go
@@ -119,8 +119,8 @@
 
 // Perform a dummy Key Lookup on kvstore to test Connection Liveness and
 // post on Liveness channel
-func (b *Backend) PerformLivenessCheck(timeout int) bool {
-	alive := b.Client.IsConnectionUp(timeout)
+func (b *Backend) PerformLivenessCheck(ctx context.Context) bool {
+	alive := b.Client.IsConnectionUp(ctx)
 	logger.Debugw("kvstore-liveness-check-result", log.Fields{"alive": alive})
 
 	b.updateLiveness(alive)
@@ -187,14 +187,14 @@
 }
 
 // List retrieves one or more items that match the specified key
-func (b *Backend) List(key string) (map[string]*kvstore.KVPair, error) {
+func (b *Backend) List(ctx context.Context, key string) (map[string]*kvstore.KVPair, error) {
 	b.Lock()
 	defer b.Unlock()
 
 	formattedPath := b.makePath(key)
 	logger.Debugw("listing-key", log.Fields{"key": key, "path": formattedPath})
 
-	pair, err := b.Client.List(formattedPath, b.Timeout)
+	pair, err := b.Client.List(ctx, formattedPath)
 
 	b.updateLiveness(b.isErrorIndicatingAliveKvstore(err))
 
@@ -202,14 +202,14 @@
 }
 
 // Get retrieves an item that matches the specified key
-func (b *Backend) Get(key string) (*kvstore.KVPair, error) {
+func (b *Backend) Get(ctx context.Context, key string) (*kvstore.KVPair, error) {
 	b.Lock()
 	defer b.Unlock()
 
 	formattedPath := b.makePath(key)
 	logger.Debugw("getting-key", log.Fields{"key": key, "path": formattedPath})
 
-	pair, err := b.Client.Get(formattedPath, b.Timeout)
+	pair, err := b.Client.Get(ctx, formattedPath)
 
 	b.updateLiveness(b.isErrorIndicatingAliveKvstore(err))
 
@@ -217,14 +217,14 @@
 }
 
 // Put stores an item value under the specifed key
-func (b *Backend) Put(key string, value interface{}) error {
+func (b *Backend) Put(ctx context.Context, key string, value interface{}) error {
 	b.Lock()
 	defer b.Unlock()
 
 	formattedPath := b.makePath(key)
 	logger.Debugw("putting-key", log.Fields{"key": key, "value": string(value.([]byte)), "path": formattedPath})
 
-	err := b.Client.Put(formattedPath, value, b.Timeout)
+	err := b.Client.Put(ctx, formattedPath, value)
 
 	b.updateLiveness(b.isErrorIndicatingAliveKvstore(err))
 
@@ -232,14 +232,14 @@
 }
 
 // Delete removes an item under the specified key
-func (b *Backend) Delete(key string) error {
+func (b *Backend) Delete(ctx context.Context, key string) error {
 	b.Lock()
 	defer b.Unlock()
 
 	formattedPath := b.makePath(key)
 	logger.Debugw("deleting-key", log.Fields{"key": key, "path": formattedPath})
 
-	err := b.Client.Delete(formattedPath, b.Timeout)
+	err := b.Client.Delete(ctx, formattedPath)
 
 	b.updateLiveness(b.isErrorIndicatingAliveKvstore(err))
 
@@ -247,14 +247,14 @@
 }
 
 // CreateWatch starts watching events for the specified key
-func (b *Backend) CreateWatch(key string) chan *kvstore.Event {
+func (b *Backend) CreateWatch(ctx context.Context, key string) chan *kvstore.Event {
 	b.Lock()
 	defer b.Unlock()
 
 	formattedPath := b.makePath(key)
 	logger.Debugw("creating-key-watch", log.Fields{"key": key, "path": formattedPath})
 
-	return b.Client.Watch(formattedPath)
+	return b.Client.Watch(ctx, formattedPath)
 }
 
 // DeleteWatch stops watching events for the specified key
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/client.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/client.go
index 088593a..d30e049 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/client.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/client.go
@@ -15,6 +15,8 @@
  */
 package kvstore
 
+import "context"
+
 const (
 	// Default timeout in seconds when making a kvstore request
 	defaultKVGetTimeout = 5
@@ -71,18 +73,18 @@
 
 // Client represents the set of APIs a KV Client must implement
 type Client interface {
-	List(key string, timeout int) (map[string]*KVPair, error)
-	Get(key string, timeout int) (*KVPair, error)
-	Put(key string, value interface{}, timeout int) error
-	Delete(key string, timeout int) error
-	Reserve(key string, value interface{}, ttl int64) (interface{}, error)
-	ReleaseReservation(key string) error
-	ReleaseAllReservations() error
-	RenewReservation(key string) error
-	Watch(key string) chan *Event
-	AcquireLock(lockName string, timeout int) error
+	List(ctx context.Context, key string) (map[string]*KVPair, error)
+	Get(ctx context.Context, key string) (*KVPair, error)
+	Put(ctx context.Context, key string, value interface{}) error
+	Delete(ctx context.Context, key string) error
+	Reserve(ctx context.Context, key string, value interface{}, ttl int64) (interface{}, error)
+	ReleaseReservation(ctx context.Context, key string) error
+	ReleaseAllReservations(ctx context.Context) error
+	RenewReservation(ctx context.Context, key string) error
+	Watch(ctx context.Context, key string) chan *Event
+	AcquireLock(ctx context.Context, lockName string, timeout int) error
 	ReleaseLock(lockName string) error
-	IsConnectionUp(timeout int) bool // timeout in second
+	IsConnectionUp(ctx context.Context) bool // timeout in second
 	CloseWatch(key string, ch chan *Event)
 	Close()
 }
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/consulclient.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/consulclient.go
index e391293..fdf39be 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/consulclient.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/consulclient.go
@@ -64,19 +64,19 @@
 }
 
 // IsConnectionUp returns whether the connection to the Consul KV store is up
-func (c *ConsulClient) IsConnectionUp(timeout int) bool {
+func (c *ConsulClient) IsConnectionUp(ctx context.Context) bool {
 	logger.Error("Unimplemented function")
 	return false
 }
 
 // List returns an array of key-value pairs with key as a prefix.  Timeout defines how long the function will
 // wait for a response
-func (c *ConsulClient) List(key string, timeout int) (map[string]*KVPair, error) {
-	duration := GetDuration(timeout)
+func (c *ConsulClient) List(ctx context.Context, key string) (map[string]*KVPair, error) {
 
+	deadline, _ := ctx.Deadline()
 	kv := c.consul.KV()
 	var queryOptions consulapi.QueryOptions
-	queryOptions.WaitTime = duration
+	queryOptions.WaitTime = GetDuration(deadline.Second())
 	// For now we ignore meta data
 	kvps, _, err := kv.List(key, &queryOptions)
 	if err != nil {
@@ -92,13 +92,12 @@
 
 // Get returns a key-value pair for a given key. Timeout defines how long the function will
 // wait for a response
-func (c *ConsulClient) Get(key string, timeout int) (*KVPair, error) {
+func (c *ConsulClient) Get(ctx context.Context, key string) (*KVPair, error) {
 
-	duration := GetDuration(timeout)
-
+	deadline, _ := ctx.Deadline()
 	kv := c.consul.KV()
 	var queryOptions consulapi.QueryOptions
-	queryOptions.WaitTime = duration
+	queryOptions.WaitTime = GetDuration(deadline.Second())
 	// For now we ignore meta data
 	kvp, _, err := kv.Get(key, &queryOptions)
 	if err != nil {
@@ -115,7 +114,7 @@
 // Put writes a key-value pair to the KV store.  Value can only be a string or []byte since the consul API
 // accepts only a []byte as a value for a put operation. Timeout defines how long the function will
 // wait for a response
-func (c *ConsulClient) Put(key string, value interface{}, timeout int) error {
+func (c *ConsulClient) Put(ctx context.Context, key string, value interface{}) error {
 
 	// Validate that we can create a byte array from the value as consul API expects a byte array
 	var val []byte
@@ -141,7 +140,7 @@
 
 // Delete removes a key from the KV store. Timeout defines how long the function will
 // wait for a response
-func (c *ConsulClient) Delete(key string, timeout int) error {
+func (c *ConsulClient) Delete(ctx context.Context, key string) error {
 	kv := c.consul.KV()
 	var writeOptions consulapi.WriteOptions
 	c.writeLock.Lock()
@@ -219,7 +218,7 @@
 // defines how long that reservation is valid.  When TTL expires the key is unreserved by the KV store itself.
 // If the key is acquired then the value returned will be the value passed in.  If the key is already acquired
 // then the value assigned to that key will be returned.
-func (c *ConsulClient) Reserve(key string, value interface{}, ttl int64) (interface{}, error) {
+func (c *ConsulClient) Reserve(ctx context.Context, key string, value interface{}, ttl int64) (interface{}, error) {
 
 	// Validate that we can create a byte array from the value as consul API expects a byte array
 	var val []byte
@@ -264,7 +263,7 @@
 	logger.Debugw("key-acquired", log.Fields{"key": key, "status": result})
 
 	// Irrespective whether we were successful in acquiring the key, let's read it back and see if it's us.
-	m, err := c.Get(key, defaultKVGetTimeout)
+	m, err := c.Get(ctx, key)
 	if err != nil {
 		return nil, err
 	}
@@ -286,7 +285,7 @@
 }
 
 // ReleaseAllReservations releases all key reservations previously made (using Reserve API)
-func (c *ConsulClient) ReleaseAllReservations() error {
+func (c *ConsulClient) ReleaseAllReservations(ctx context.Context) error {
 	kv := c.consul.KV()
 	var kvp consulapi.KVPair
 	var result bool
@@ -311,7 +310,7 @@
 }
 
 // ReleaseReservation releases reservation for a specific key.
-func (c *ConsulClient) ReleaseReservation(key string) error {
+func (c *ConsulClient) ReleaseReservation(ctx context.Context, key string) error {
 	var ok bool
 	var reservedValue interface{}
 	c.writeLock.Lock()
@@ -337,7 +336,7 @@
 
 // RenewReservation renews a reservation.  A reservation will go stale after the specified TTL (Time To Live)
 // period specified when reserving the key
-func (c *ConsulClient) RenewReservation(key string) error {
+func (c *ConsulClient) RenewReservation(ctx context.Context, key string) error {
 	// In the case of Consul, renew reservation of a reserve key only require renewing the client session.
 
 	c.writeLock.Lock()
@@ -361,7 +360,7 @@
 
 // Watch provides the watch capability on a given key.  It returns a channel onto which the callee needs to
 // listen to receive Events.
-func (c *ConsulClient) Watch(key string) chan *Event {
+func (c *ConsulClient) Watch(ctx context.Context, key string) chan *Event {
 
 	// Create a new channel
 	ch := make(chan *Event, maxClientChannelBufferSize)
@@ -504,7 +503,7 @@
 	}
 }
 
-func (c *ConsulClient) AcquireLock(lockName string, timeout int) error {
+func (c *ConsulClient) AcquireLock(ctx context.Context, lockName string, timeout int) error {
 	return nil
 }
 
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/etcdclient.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/etcdclient.go
index 7096748..a0f39cd 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/etcdclient.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/db/kvstore/etcdclient.go
@@ -19,11 +19,12 @@
 	"context"
 	"errors"
 	"fmt"
+	"sync"
+
 	"github.com/opencord/voltha-lib-go/v3/pkg/log"
 	v3Client "go.etcd.io/etcd/clientv3"
 	v3Concurrency "go.etcd.io/etcd/clientv3/concurrency"
 	v3rpcTypes "go.etcd.io/etcd/etcdserver/api/v3rpc/rpctypes"
-	"sync"
 )
 
 // EtcdClient represents the Etcd KV store client
@@ -64,23 +65,19 @@
 
 // IsConnectionUp returns whether the connection to the Etcd KV store is up.  If a timeout occurs then
 // it is assumed the connection is down or unreachable.
-func (c *EtcdClient) IsConnectionUp(timeout int) bool {
+func (c *EtcdClient) IsConnectionUp(ctx context.Context) bool {
 	// Let's try to get a non existent key.  If the connection is up then there will be no error returned.
-	if _, err := c.Get("non-existent-key", timeout); err != nil {
+	if _, err := c.Get(ctx, "non-existent-key"); err != nil {
 		return false
 	}
+	//cancel()
 	return true
 }
 
 // List returns an array of key-value pairs with key as a prefix.  Timeout defines how long the function will
 // wait for a response
-func (c *EtcdClient) List(key string, timeout int) (map[string]*KVPair, error) {
-	duration := GetDuration(timeout)
-
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
-
+func (c *EtcdClient) List(ctx context.Context, key string) (map[string]*KVPair, error) {
 	resp, err := c.ectdAPI.Get(ctx, key, v3Client.WithPrefix())
-	cancel()
 	if err != nil {
 		logger.Error(err)
 		return nil, err
@@ -94,13 +91,10 @@
 
 // Get returns a key-value pair for a given key. Timeout defines how long the function will
 // wait for a response
-func (c *EtcdClient) Get(key string, timeout int) (*KVPair, error) {
-	duration := GetDuration(timeout)
-
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
+func (c *EtcdClient) Get(ctx context.Context, key string) (*KVPair, error) {
 
 	resp, err := c.ectdAPI.Get(ctx, key)
-	cancel()
+
 	if err != nil {
 		logger.Error(err)
 		return nil, err
@@ -115,7 +109,7 @@
 // Put writes a key-value pair to the KV store.  Value can only be a string or []byte since the etcd API
 // accepts only a string as a value for a put operation. Timeout defines how long the function will
 // wait for a response
-func (c *EtcdClient) Put(key string, value interface{}, timeout int) error {
+func (c *EtcdClient) Put(ctx context.Context, key string, value interface{}) error {
 
 	// Validate that we can convert value to a string as etcd API expects a string
 	var val string
@@ -124,10 +118,6 @@
 		return fmt.Errorf("unexpected-type-%T", value)
 	}
 
-	duration := GetDuration(timeout)
-
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
-
 	c.writeLock.Lock()
 	defer c.writeLock.Unlock()
 
@@ -139,7 +129,7 @@
 	} else {
 		_, err = c.ectdAPI.Put(ctx, key, val)
 	}
-	cancel()
+
 	if err != nil {
 		switch err {
 		case context.Canceled:
@@ -158,13 +148,7 @@
 
 // Delete removes a key from the KV store. Timeout defines how long the function will
 // wait for a response
-func (c *EtcdClient) Delete(key string, timeout int) error {
-
-	duration := GetDuration(timeout)
-
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
-
-	defer cancel()
+func (c *EtcdClient) Delete(ctx context.Context, key string) error {
 
 	c.writeLock.Lock()
 	defer c.writeLock.Unlock()
@@ -183,7 +167,7 @@
 // defines how long that reservation is valid.  When TTL expires the key is unreserved by the KV store itself.
 // If the key is acquired then the value returned will be the value passed in.  If the key is already acquired
 // then the value assigned to that key will be returned.
-func (c *EtcdClient) Reserve(key string, value interface{}, ttl int64) (interface{}, error) {
+func (c *EtcdClient) Reserve(ctx context.Context, key string, value interface{}, ttl int64) (interface{}, error) {
 	// Validate that we can convert value to a string as etcd API expects a string
 	var val string
 	var er error
@@ -191,12 +175,6 @@
 		return nil, fmt.Errorf("unexpected-type%T", value)
 	}
 
-	duration := GetDuration(connTimeout)
-
-	// Create a lease
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
-	defer cancel()
-
 	resp, err := c.ectdAPI.Grant(ctx, ttl)
 	if err != nil {
 		logger.Error(err)
@@ -211,7 +189,7 @@
 	reservationSuccessful := false
 	defer func() {
 		if !reservationSuccessful {
-			if err = c.ReleaseReservation(key); err != nil {
+			if err = c.ReleaseReservation(context.Background(), key); err != nil {
 				logger.Error("cannot-release-lease")
 			}
 		}
@@ -241,7 +219,7 @@
 		}
 	} else {
 		// Read the Key to ensure this is our Key
-		m, err := c.Get(key, defaultKVGetTimeout)
+		m, err := c.Get(ctx, key)
 		if err != nil {
 			return nil, err
 		}
@@ -260,12 +238,9 @@
 }
 
 // ReleaseAllReservations releases all key reservations previously made (using Reserve API)
-func (c *EtcdClient) ReleaseAllReservations() error {
+func (c *EtcdClient) ReleaseAllReservations(ctx context.Context) error {
 	c.writeLock.Lock()
 	defer c.writeLock.Unlock()
-	duration := GetDuration(connTimeout)
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
-	defer cancel()
 
 	for key, leaseID := range c.keyReservations {
 		_, err := c.ectdAPI.Revoke(ctx, *leaseID)
@@ -279,7 +254,7 @@
 }
 
 // ReleaseReservation releases reservation for a specific key.
-func (c *EtcdClient) ReleaseReservation(key string) error {
+func (c *EtcdClient) ReleaseReservation(ctx context.Context, key string) error {
 	// Get the leaseid using the key
 	logger.Debugw("Release-reservation", log.Fields{"key": key})
 	var ok bool
@@ -289,9 +264,6 @@
 	if leaseID, ok = c.keyReservations[key]; !ok {
 		return nil
 	}
-	duration := GetDuration(connTimeout)
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
-	defer cancel()
 
 	if leaseID != nil {
 		_, err := c.ectdAPI.Revoke(ctx, *leaseID)
@@ -306,7 +278,7 @@
 
 // RenewReservation renews a reservation.  A reservation will go stale after the specified TTL (Time To Live)
 // period specified when reserving the key
-func (c *EtcdClient) RenewReservation(key string) error {
+func (c *EtcdClient) RenewReservation(ctx context.Context, key string) error {
 	// Get the leaseid using the key
 	var ok bool
 	var leaseID *v3Client.LeaseID
@@ -315,9 +287,6 @@
 	if leaseID, ok = c.keyReservations[key]; !ok {
 		return errors.New("key-not-reserved")
 	}
-	duration := GetDuration(connTimeout)
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
-	defer cancel()
 
 	if leaseID != nil {
 		_, err := c.ectdAPI.KeepAliveOnce(ctx, *leaseID)
@@ -333,9 +302,9 @@
 
 // Watch provides the watch capability on a given key.  It returns a channel onto which the callee needs to
 // listen to receive Events.
-func (c *EtcdClient) Watch(key string) chan *Event {
+func (c *EtcdClient) Watch(ctx context.Context, key string) chan *Event {
 	w := v3Client.NewWatcher(c.ectdAPI)
-	ctx, cancel := context.WithCancel(context.Background())
+	ctx, cancel := context.WithCancel(ctx)
 	channel := w.Watch(ctx, key)
 
 	// Create a new channel
@@ -490,14 +459,11 @@
 	return lock, session
 }
 
-func (c *EtcdClient) AcquireLock(lockName string, timeout int) error {
-	duration := GetDuration(timeout)
-	ctx, cancel := context.WithTimeout(context.Background(), duration)
-	defer cancel()
+func (c *EtcdClient) AcquireLock(ctx context.Context, lockName string, timeout int) error {
 	session, _ := v3Concurrency.NewSession(c.ectdAPI, v3Concurrency.WithContext(ctx))
 	mu := v3Concurrency.NewMutex(session, "/devicelock_"+lockName)
 	if err := mu.Lock(context.Background()); err != nil {
-		cancel()
+		//cancel()
 		return err
 	}
 	c.addLockName(lockName, mu, session)
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/client.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/client.go
index 6289043..9abad93 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/client.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/client.go
@@ -66,6 +66,7 @@
 	DeleteTopic(topic *Topic) error
 	Subscribe(topic *Topic, kvArgs ...*KVArg) (<-chan *ca.InterContainerMessage, error)
 	UnSubscribe(topic *Topic, ch <-chan *ca.InterContainerMessage) error
+	SubscribeForMetadata(func(fromTopic string, timestamp int64))
 	Send(msg interface{}, topic *Topic, keys ...string) error
 	SendLiveness() error
 	EnableLivenessChannel(enable bool) chan bool
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/kafka_inter_container_library.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/kafka_inter_container_library.go
index 042e121..d21fdd5 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/kafka_inter_container_library.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/kafka_inter_container_library.go
@@ -60,15 +60,30 @@
 	ch    chan *ic.InterContainerMessage
 }
 
-// InterContainerProxy represents the messaging proxy
-type InterContainerProxy struct {
+type InterContainerProxy interface {
+	Start() error
+	Stop()
+	GetDefaultTopic() *Topic
+	DeviceDiscovered(deviceId string, deviceType string, parentId string, publisher string) error
+	InvokeRPC(ctx context.Context, rpc string, toTopic *Topic, replyToTopic *Topic, waitForResponse bool, key string, kvArgs ...*KVArg) (bool, *any.Any)
+	SubscribeWithRequestHandlerInterface(topic Topic, handler interface{}) error
+	SubscribeWithDefaultRequestHandler(topic Topic, initialOffset int64) error
+	UnSubscribeFromRequestHandler(topic Topic) error
+	DeleteTopic(topic Topic) error
+	EnableLivenessChannel(enable bool) chan bool
+	SendLiveness() error
+}
+
+// interContainerProxy represents the messaging proxy
+type interContainerProxy struct {
 	kafkaHost                      string
 	kafkaPort                      int
-	DefaultTopic                   *Topic
+	defaultTopic                   *Topic
 	defaultRequestHandlerInterface interface{}
 	deviceDiscoveryTopic           *Topic
 	kafkaClient                    Client
-	doneCh                         chan int
+	doneCh                         chan struct{}
+	doneOnce                       sync.Once
 
 	// This map is used to map a topic to an interface and channel.   When a request is received
 	// on that channel (registered to the topic) then that interface is invoked.
@@ -87,63 +102,63 @@
 	lockTransactionIdToChannelMap sync.RWMutex
 }
 
-type InterContainerProxyOption func(*InterContainerProxy)
+type InterContainerProxyOption func(*interContainerProxy)
 
 func InterContainerHost(host string) InterContainerProxyOption {
-	return func(args *InterContainerProxy) {
+	return func(args *interContainerProxy) {
 		args.kafkaHost = host
 	}
 }
 
 func InterContainerPort(port int) InterContainerProxyOption {
-	return func(args *InterContainerProxy) {
+	return func(args *interContainerProxy) {
 		args.kafkaPort = port
 	}
 }
 
 func DefaultTopic(topic *Topic) InterContainerProxyOption {
-	return func(args *InterContainerProxy) {
-		args.DefaultTopic = topic
+	return func(args *interContainerProxy) {
+		args.defaultTopic = topic
 	}
 }
 
 func DeviceDiscoveryTopic(topic *Topic) InterContainerProxyOption {
-	return func(args *InterContainerProxy) {
+	return func(args *interContainerProxy) {
 		args.deviceDiscoveryTopic = topic
 	}
 }
 
 func RequestHandlerInterface(handler interface{}) InterContainerProxyOption {
-	return func(args *InterContainerProxy) {
+	return func(args *interContainerProxy) {
 		args.defaultRequestHandlerInterface = handler
 	}
 }
 
 func MsgClient(client Client) InterContainerProxyOption {
-	return func(args *InterContainerProxy) {
+	return func(args *interContainerProxy) {
 		args.kafkaClient = client
 	}
 }
 
-func NewInterContainerProxy(opts ...InterContainerProxyOption) (*InterContainerProxy, error) {
-	proxy := &InterContainerProxy{
+func newInterContainerProxy(opts ...InterContainerProxyOption) *interContainerProxy {
+	proxy := &interContainerProxy{
 		kafkaHost: DefaultKafkaHost,
 		kafkaPort: DefaultKafkaPort,
+		doneCh:    make(chan struct{}),
 	}
 
 	for _, option := range opts {
 		option(proxy)
 	}
 
-	// Create the locks for all the maps
-	proxy.lockTopicRequestHandlerChannelMap = sync.RWMutex{}
-	proxy.lockTransactionIdToChannelMap = sync.RWMutex{}
-	proxy.lockTopicResponseChannelMap = sync.RWMutex{}
-
-	return proxy, nil
+	return proxy
 }
 
-func (kp *InterContainerProxy) Start() error {
+func NewInterContainerProxy(opts ...InterContainerProxyOption) InterContainerProxy {
+	return newInterContainerProxy(opts...)
+}
+
+func (kp *interContainerProxy) Start() error {
 	logger.Info("Starting-Proxy")
 
 	// Kafka MsgClient should already have been created.  If not, output fatal error
@@ -151,9 +166,6 @@
 		logger.Fatal("kafka-client-not-set")
 	}
 
-	// Create the Done channel
-	kp.doneCh = make(chan int, 1)
-
 	// Start the kafka client
 	if err := kp.kafkaClient.Start(); err != nil {
 		logger.Errorw("Cannot-create-kafka-proxy", log.Fields{"error": err})
@@ -172,9 +184,9 @@
 	return nil
 }
 
-func (kp *InterContainerProxy) Stop() {
+func (kp *interContainerProxy) Stop() {
 	logger.Info("stopping-intercontainer-proxy")
-	kp.doneCh <- 1
+	kp.doneOnce.Do(func() { close(kp.doneCh) })
 	// TODO : Perform cleanup
 	kp.kafkaClient.Stop()
 	//kp.deleteAllTopicRequestHandlerChannelMap()
@@ -182,8 +194,12 @@
 	//kp.deleteAllTransactionIdToChannelMap()
 }
 
+func (kp *interContainerProxy) GetDefaultTopic() *Topic {
+	return kp.defaultTopic
+}
+
 // DeviceDiscovered publish the discovered device onto the kafka messaging bus
-func (kp *InterContainerProxy) DeviceDiscovered(deviceId string, deviceType string, parentId string, publisher string) error {
+func (kp *interContainerProxy) DeviceDiscovered(deviceId string, deviceType string, parentId string, publisher string) error {
 	logger.Debugw("sending-device-discovery-msg", log.Fields{"deviceId": deviceId})
 	//	Simple validation
 	if deviceId == "" || deviceType == "" {
@@ -194,7 +210,7 @@
 	header := &ic.Header{
 		Id:        uuid.New().String(),
 		Type:      ic.MessageType_DEVICE_DISCOVERED,
-		FromTopic: kp.DefaultTopic.Name,
+		FromTopic: kp.defaultTopic.Name,
 		ToTopic:   kp.deviceDiscoveryTopic.Name,
 		Timestamp: time.Now().UnixNano(),
 	}
@@ -225,14 +241,14 @@
 }
 
 // InvokeRPC is used to send a request to a given topic
-func (kp *InterContainerProxy) InvokeRPC(ctx context.Context, rpc string, toTopic *Topic, replyToTopic *Topic,
+func (kp *interContainerProxy) InvokeRPC(ctx context.Context, rpc string, toTopic *Topic, replyToTopic *Topic,
 	waitForResponse bool, key string, kvArgs ...*KVArg) (bool, *any.Any) {
 
 	//	If a replyToTopic is provided then we use it, otherwise just use the  default toTopic.  The replyToTopic is
 	// typically the device ID.
 	responseTopic := replyToTopic
 	if responseTopic == nil {
-		responseTopic = kp.DefaultTopic
+		responseTopic = kp.defaultTopic
 	}
 
 	// Encode the request
@@ -288,12 +304,14 @@
 			var err error
 			if responseBody, err = decodeResponse(msg); err != nil {
 				logger.Errorw("decode-response-error", log.Fields{"error": err})
+				// FIXME we should return something
 			}
 			return responseBody.Success, responseBody.Result
 		case <-ctx.Done():
 			logger.Debugw("context-cancelled", log.Fields{"rpc": rpc, "ctx": ctx.Err()})
 			//	 pack the error as proto any type
-			protoError := &ic.Error{Reason: ctx.Err().Error()}
+			protoError := &ic.Error{Reason: ctx.Err().Error(), Code: ic.ErrorCode_DEADLINE_EXCEEDED}
+
 			var marshalledArg *any.Any
 			if marshalledArg, err = ptypes.MarshalAny(protoError); err != nil {
 				return false, nil // Should never happen
@@ -302,7 +320,8 @@
 		case <-childCtx.Done():
 			logger.Debugw("context-cancelled", log.Fields{"rpc": rpc, "ctx": childCtx.Err()})
 			//	 pack the error as proto any type
-			protoError := &ic.Error{Reason: childCtx.Err().Error()}
+			protoError := &ic.Error{Reason: childCtx.Err().Error(), Code: ic.ErrorCode_DEADLINE_EXCEEDED}
+
 			var marshalledArg *any.Any
 			if marshalledArg, err = ptypes.MarshalAny(protoError); err != nil {
 				return false, nil // Should never happen
@@ -318,7 +337,7 @@
 
 // SubscribeWithRequestHandlerInterface allows a caller to assign a target object to be invoked automatically
 // when a message is received on a given topic
-func (kp *InterContainerProxy) SubscribeWithRequestHandlerInterface(topic Topic, handler interface{}) error {
+func (kp *interContainerProxy) SubscribeWithRequestHandlerInterface(topic Topic, handler interface{}) error {
 
 	// Subscribe to receive messages for that topic
 	var ch <-chan *ic.InterContainerMessage
@@ -339,7 +358,7 @@
 
 // SubscribeWithDefaultRequestHandler allows a caller to add a topic to an existing target object to be invoked automatically
 // when a message is received on a given topic.  So far there is only 1 target registered per microservice
-func (kp *InterContainerProxy) SubscribeWithDefaultRequestHandler(topic Topic, initialOffset int64) error {
+func (kp *interContainerProxy) SubscribeWithDefaultRequestHandler(topic Topic, initialOffset int64) error {
 	// Subscribe to receive messages for that topic
 	var ch <-chan *ic.InterContainerMessage
 	var err error
@@ -355,13 +374,13 @@
 	return nil
 }
 
-func (kp *InterContainerProxy) UnSubscribeFromRequestHandler(topic Topic) error {
+func (kp *interContainerProxy) UnSubscribeFromRequestHandler(topic Topic) error {
 	return kp.deleteFromTopicRequestHandlerChannelMap(topic.Name)
 }
 
 // setupTopicResponseChannelMap sets up single consumers channel that will act as a broadcast channel for all
 // responses from that topic.
-func (kp *InterContainerProxy) setupTopicResponseChannelMap(topic string, arg <-chan *ic.InterContainerMessage) {
+func (kp *interContainerProxy) setupTopicResponseChannelMap(topic string, arg <-chan *ic.InterContainerMessage) {
 	kp.lockTopicResponseChannelMap.Lock()
 	defer kp.lockTopicResponseChannelMap.Unlock()
 	if _, exist := kp.topicToResponseChannelMap[topic]; !exist {
@@ -369,14 +388,14 @@
 	}
 }
 
-func (kp *InterContainerProxy) isTopicSubscribedForResponse(topic string) bool {
+func (kp *interContainerProxy) isTopicSubscribedForResponse(topic string) bool {
 	kp.lockTopicResponseChannelMap.RLock()
 	defer kp.lockTopicResponseChannelMap.RUnlock()
 	_, exist := kp.topicToResponseChannelMap[topic]
 	return exist
 }
 
-func (kp *InterContainerProxy) deleteFromTopicResponseChannelMap(topic string) error {
+func (kp *interContainerProxy) deleteFromTopicResponseChannelMap(topic string) error {
 	kp.lockTopicResponseChannelMap.Lock()
 	defer kp.lockTopicResponseChannelMap.Unlock()
 	if _, exist := kp.topicToResponseChannelMap[topic]; exist {
@@ -392,7 +411,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) deleteAllTopicResponseChannelMap() error {
+func (kp *interContainerProxy) deleteAllTopicResponseChannelMap() error {
 	kp.lockTopicResponseChannelMap.Lock()
 	defer kp.lockTopicResponseChannelMap.Unlock()
 	var err error
@@ -406,7 +425,7 @@
 	return err
 }
 
-func (kp *InterContainerProxy) addToTopicRequestHandlerChannelMap(topic string, arg *requestHandlerChannel) {
+func (kp *interContainerProxy) addToTopicRequestHandlerChannelMap(topic string, arg *requestHandlerChannel) {
 	kp.lockTopicRequestHandlerChannelMap.Lock()
 	defer kp.lockTopicRequestHandlerChannelMap.Unlock()
 	if _, exist := kp.topicToRequestHandlerChannelMap[topic]; !exist {
@@ -414,7 +433,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) deleteFromTopicRequestHandlerChannelMap(topic string) error {
+func (kp *interContainerProxy) deleteFromTopicRequestHandlerChannelMap(topic string) error {
 	kp.lockTopicRequestHandlerChannelMap.Lock()
 	defer kp.lockTopicRequestHandlerChannelMap.Unlock()
 	if _, exist := kp.topicToRequestHandlerChannelMap[topic]; exist {
@@ -427,7 +446,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) deleteAllTopicRequestHandlerChannelMap() error {
+func (kp *interContainerProxy) deleteAllTopicRequestHandlerChannelMap() error {
 	kp.lockTopicRequestHandlerChannelMap.Lock()
 	defer kp.lockTopicRequestHandlerChannelMap.Unlock()
 	var err error
@@ -441,7 +460,7 @@
 	return err
 }
 
-func (kp *InterContainerProxy) addToTransactionIdToChannelMap(id string, topic *Topic, arg chan *ic.InterContainerMessage) {
+func (kp *interContainerProxy) addToTransactionIdToChannelMap(id string, topic *Topic, arg chan *ic.InterContainerMessage) {
 	kp.lockTransactionIdToChannelMap.Lock()
 	defer kp.lockTransactionIdToChannelMap.Unlock()
 	if _, exist := kp.transactionIdToChannelMap[id]; !exist {
@@ -449,7 +468,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) deleteFromTransactionIdToChannelMap(id string) {
+func (kp *interContainerProxy) deleteFromTransactionIdToChannelMap(id string) {
 	kp.lockTransactionIdToChannelMap.Lock()
 	defer kp.lockTransactionIdToChannelMap.Unlock()
 	if transChannel, exist := kp.transactionIdToChannelMap[id]; exist {
@@ -459,7 +478,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) deleteTopicTransactionIdToChannelMap(id string) {
+func (kp *interContainerProxy) deleteTopicTransactionIdToChannelMap(id string) {
 	kp.lockTransactionIdToChannelMap.Lock()
 	defer kp.lockTransactionIdToChannelMap.Unlock()
 	for key, value := range kp.transactionIdToChannelMap {
@@ -470,7 +489,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) deleteAllTransactionIdToChannelMap() {
+func (kp *interContainerProxy) deleteAllTransactionIdToChannelMap() {
 	kp.lockTransactionIdToChannelMap.Lock()
 	defer kp.lockTransactionIdToChannelMap.Unlock()
 	for key, value := range kp.transactionIdToChannelMap {
@@ -479,7 +498,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) DeleteTopic(topic Topic) error {
+func (kp *interContainerProxy) DeleteTopic(topic Topic) error {
 	// If we have any consumers on that topic we need to close them
 	if err := kp.deleteFromTopicResponseChannelMap(topic.Name); err != nil {
 		logger.Errorw("delete-from-topic-responsechannelmap-failed", log.Fields{"error": err})
@@ -520,7 +539,7 @@
 		Type:      ic.MessageType_RESPONSE,
 		FromTopic: request.Header.ToTopic,
 		ToTopic:   request.Header.FromTopic,
-		Timestamp: time.Now().Unix(),
+		Timestamp: time.Now().UnixNano(),
 	}
 	responseBody := &ic.InterContainerResponseBody{
 		Success: false,
@@ -598,7 +617,7 @@
 	return
 }
 
-func (kp *InterContainerProxy) addTransactionId(transactionId string, currentArgs []*ic.Argument) []*ic.Argument {
+func (kp *interContainerProxy) addTransactionId(transactionId string, currentArgs []*ic.Argument) []*ic.Argument {
 	arg := &KVArg{
 		Key:   TransactionKey,
 		Value: &ic.StrType{Val: transactionId},
@@ -617,7 +636,7 @@
 	return append(currentArgs, protoArg)
 }
 
-func (kp *InterContainerProxy) addFromTopic(fromTopic string, currentArgs []*ic.Argument) []*ic.Argument {
+func (kp *interContainerProxy) addFromTopic(fromTopic string, currentArgs []*ic.Argument) []*ic.Argument {
 	var marshalledArg *any.Any
 	var err error
 	if marshalledArg, err = ptypes.MarshalAny(&ic.StrType{Val: fromTopic}); err != nil {
@@ -631,7 +650,7 @@
 	return append(currentArgs, protoArg)
 }
 
-func (kp *InterContainerProxy) handleMessage(msg *ic.InterContainerMessage, targetInterface interface{}) {
+func (kp *interContainerProxy) handleMessage(msg *ic.InterContainerMessage, targetInterface interface{}) {
 
 	// First extract the header to know whether this is a request - responses are handled by a different handler
 	if msg.Header.Type == ic.MessageType_REQUEST {
@@ -721,7 +740,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) waitForMessages(ch <-chan *ic.InterContainerMessage, topic Topic, targetInterface interface{}) {
+func (kp *interContainerProxy) waitForMessages(ch <-chan *ic.InterContainerMessage, topic Topic, targetInterface interface{}) {
 	//	Wait for messages
 	for msg := range ch {
 		//logger.Debugw("request-received", log.Fields{"msg": msg, "topic": topic.Name, "target": targetInterface})
@@ -729,7 +748,7 @@
 	}
 }
 
-func (kp *InterContainerProxy) dispatchResponse(msg *ic.InterContainerMessage) {
+func (kp *interContainerProxy) dispatchResponse(msg *ic.InterContainerMessage) {
 	kp.lockTransactionIdToChannelMap.RLock()
 	defer kp.lockTransactionIdToChannelMap.RUnlock()
 	if _, exist := kp.transactionIdToChannelMap[msg.Header.Id]; !exist {
@@ -743,7 +762,7 @@
 // This method is built to prevent all subscribers to receive all messages as is the case of the Subscribe
 // API. There is one response channel waiting for kafka messages before dispatching the message to the
 // corresponding waiting channel
-func (kp *InterContainerProxy) subscribeForResponse(topic Topic, trnsId string) (chan *ic.InterContainerMessage, error) {
+func (kp *interContainerProxy) subscribeForResponse(topic Topic, trnsId string) (chan *ic.InterContainerMessage, error) {
 	logger.Debugw("subscribeForResponse", log.Fields{"topic": topic.Name, "trnsid": trnsId})
 
 	// Create a specific channel for this consumers.  We cannot use the channel from the kafkaclient as it will
@@ -754,21 +773,21 @@
 	return ch, nil
 }
 
-func (kp *InterContainerProxy) unSubscribeForResponse(trnsId string) error {
+func (kp *interContainerProxy) unSubscribeForResponse(trnsId string) error {
 	logger.Debugw("unsubscribe-for-response", log.Fields{"trnsId": trnsId})
 	kp.deleteFromTransactionIdToChannelMap(trnsId)
 	return nil
 }
 
-func (kp *InterContainerProxy) EnableLivenessChannel(enable bool) chan bool {
+func (kp *interContainerProxy) EnableLivenessChannel(enable bool) chan bool {
 	return kp.kafkaClient.EnableLivenessChannel(enable)
 }
 
-func (kp *InterContainerProxy) EnableHealthinessChannel(enable bool) chan bool {
+func (kp *interContainerProxy) EnableHealthinessChannel(enable bool) chan bool {
 	return kp.kafkaClient.EnableHealthinessChannel(enable)
 }
 
-func (kp *InterContainerProxy) SendLiveness() error {
+func (kp *interContainerProxy) SendLiveness() error {
 	return kp.kafkaClient.SendLiveness()
 }
 
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/sarama_client.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/sarama_client.go
index 9d4ab52..c0c16f9 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/sarama_client.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/kafka/sarama_client.go
@@ -42,6 +42,9 @@
 	channels  []chan *ic.InterContainerMessage
 }
 
+// static check to ensure SaramaClient implements Client
+var _ Client = &SaramaClient{}
+
 // SaramaClient represents the messaging proxy
 type SaramaClient struct {
 	cAdmin                        sarama.ClusterAdmin
@@ -68,6 +71,7 @@
 	numReplicas                   int
 	autoCreateTopic               bool
 	doneCh                        chan int
+	metadataCallback              func(fromTopic string, timestamp int64)
 	topicToConsumerChannelMap     map[string]*consumerChannels
 	lockTopicToConsumerChannelMap sync.RWMutex
 	topicLockMap                  map[string]*sync.RWMutex
@@ -460,6 +464,10 @@
 	return err
 }
 
+func (sc *SaramaClient) SubscribeForMetadata(callback func(fromTopic string, timestamp int64)) {
+	sc.metadataCallback = callback
+}
+
 func (sc *SaramaClient) updateLiveness(alive bool) {
 	// Post a consistent stream of liveness data to the channel,
 	// so that in a live state, the core does not timeout and
@@ -930,12 +938,16 @@
 func (sc *SaramaClient) dispatchToConsumers(consumerCh *consumerChannels, protoMessage *ic.InterContainerMessage) {
 	// Need to go over all channels and publish messages to them - do we need to copy msg?
 	sc.lockTopicToConsumerChannelMap.RLock()
-	defer sc.lockTopicToConsumerChannelMap.RUnlock()
 	for _, ch := range consumerCh.channels {
 		go func(c chan *ic.InterContainerMessage) {
 			c <- protoMessage
 		}(ch)
 	}
+	sc.lockTopicToConsumerChannelMap.RUnlock()
+
+	if callback := sc.metadataCallback; callback != nil {
+		callback(protoMessage.Header.FromTopic, protoMessage.Header.Timestamp)
+	}
 }
 
 func (sc *SaramaClient) consumeFromAPartition(topic *Topic, consumer sarama.PartitionConsumer, consumerChnls *consumerChannels) {
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_client.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_client.go
index 51bd532..62af5db 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_client.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_client.go
@@ -26,6 +26,9 @@
 	"google.golang.org/grpc/status"
 )
 
+// static check to ensure KafkaClient implements kafka.Client
+var _ kafka.Client = &KafkaClient{}
+
 type KafkaClient struct {
 	topicsChannelMap map[string][]chan *ic.InterContainerMessage
 	lock             sync.RWMutex
@@ -108,6 +111,10 @@
 	return nil
 }
 
+func (kc *KafkaClient) SubscribeForMetadata(_ func(fromTopic string, timestamp int64)) {
+	panic("unimplemented")
+}
+
 func (kc *KafkaClient) Send(msg interface{}, topic *kafka.Topic, keys ...string) error {
 	req, ok := msg.(*ic.InterContainerMessage)
 	if !ok {
diff --git a/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_inter_container_proxy.go b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_inter_container_proxy.go
new file mode 100644
index 0000000..405fbe7
--- /dev/null
+++ b/vendor/github.com/opencord/voltha-lib-go/v3/pkg/mocks/kafka_inter_container_proxy.go
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2018-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 mocks
+
+import (
+	"context"
+	"github.com/gogo/protobuf/proto"
+	"github.com/golang/protobuf/ptypes"
+	"github.com/golang/protobuf/ptypes/any"
+	"github.com/opencord/voltha-lib-go/v3/pkg/kafka"
+	ic "github.com/opencord/voltha-protos/v3/go/inter_container"
+)
+
+type InvokeRpcArgs struct {
+	Rpc             string
+	ToTopic         *kafka.Topic
+	ReplyToTopic    *kafka.Topic
+	WaitForResponse bool
+	Key             string
+	ParentDeviceId  string
+	KvArgs          map[int]interface{}
+}
+
+type InvokeRpcSpy struct {
+	CallCount int
+	Calls     map[int]InvokeRpcArgs
+	Timeout   bool
+	Response  proto.Message
+}
+
+type MockKafkaICProxy struct {
+	InvokeRpcSpy InvokeRpcSpy
+}
+
+func (s *MockKafkaICProxy) Start() error { return nil }
+func (s *MockKafkaICProxy) GetDefaultTopic() *kafka.Topic {
+	t := kafka.Topic{
+		Name: "test-topic",
+	}
+	return &t
+}
+func (s *MockKafkaICProxy) DeleteTopic(topic kafka.Topic) error { return nil }
+func (s *MockKafkaICProxy) DeviceDiscovered(deviceId string, deviceType string, parentId string, publisher string) error {
+	return nil
+}
+func (s *MockKafkaICProxy) Stop() {}
+func (s *MockKafkaICProxy) InvokeRPC(ctx context.Context, rpc string, toTopic *kafka.Topic, replyToTopic *kafka.Topic, waitForResponse bool, key string, kvArgs ...*kafka.KVArg) (bool, *any.Any) {
+	s.InvokeRpcSpy.CallCount++
+
+	success := true
+
+	args := make(map[int]interface{}, 4)
+	for k, v := range kvArgs {
+		args[k] = v
+	}
+
+	s.InvokeRpcSpy.Calls[s.InvokeRpcSpy.CallCount] = InvokeRpcArgs{
+		Rpc:             rpc,
+		ToTopic:         toTopic,
+		ReplyToTopic:    replyToTopic,
+		WaitForResponse: waitForResponse,
+		Key:             key,
+		KvArgs:          args,
+	}
+
+	var response any.Any
+	if s.InvokeRpcSpy.Timeout {
+
+		success = false
+
+		err := &ic.Error{Reason: "context deadline exceeded", Code: ic.ErrorCode_DEADLINE_EXCEEDED}
+		res, _ := ptypes.MarshalAny(err)
+		response = *res
+	} else {
+		res, _ := ptypes.MarshalAny(s.InvokeRpcSpy.Response)
+		response = *res
+	}
+
+	return success, &response
+}
+func (s *MockKafkaICProxy) SubscribeWithRequestHandlerInterface(topic kafka.Topic, handler interface{}) error {
+	return nil
+}
+func (s *MockKafkaICProxy) SubscribeWithDefaultRequestHandler(topic kafka.Topic, initialOffset int64) error {
+	return nil
+}
+func (s *MockKafkaICProxy) UnSubscribeFromRequestHandler(topic kafka.Topic) error { return nil }
+func (s *MockKafkaICProxy) EnableLivenessChannel(enable bool) chan bool           { return nil }
+func (s *MockKafkaICProxy) SendLiveness() error                                   { return nil }