diff --git a/VERSION b/VERSION
index 97102b4..b1b25a5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-2.2.2-dev
+2.2.2
diff --git a/go.mod b/go.mod
index 55e0ceb..b716f65 100644
--- a/go.mod
+++ b/go.mod
@@ -8,8 +8,7 @@
 	github.com/golang/protobuf v1.3.2
 	github.com/google/uuid v1.1.1
 	github.com/gyuho/goraph v0.0.0-20160328020532-d460590d53a9
-	github.com/mdlayher/ethernet v0.0.0-20190606142754-0394541c37b7 // indirect
-	github.com/opencord/voltha-lib-go/v2 v2.2.13
+	github.com/opencord/voltha-lib-go/v2 v2.2.16
 	github.com/opencord/voltha-protos/v2 v2.0.1
 	github.com/phayes/freeport v0.0.0-20180830031419-95f893ade6f2
 	github.com/stretchr/testify v1.4.0
diff --git a/go.sum b/go.sum
index 9285efd..e295761 100644
--- a/go.sum
+++ b/go.sum
@@ -83,7 +83,6 @@
 github.com/google/btree v1.0.0 h1:0udJVsspx3VBr5FwtLhQQtuAsVc79tTq0ocGIPAU6qo=
 github.com/google/btree v1.0.0/go.mod h1:lNA+9X1NB3Zf8V7Ke586lFgjr2dZNuvo3lPJSGZ5JPQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
-github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
@@ -168,9 +167,6 @@
 github.com/mattn/go-runewidth v0.0.2/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
-github.com/mdlayher/ethernet v0.0.0-20190606142754-0394541c37b7 h1:lez6TS6aAau+8wXUP3G9I3TGlmPFEq2CTxBaRqY6AGE=
-github.com/mdlayher/ethernet v0.0.0-20190606142754-0394541c37b7/go.mod h1:U6ZQobyTjI/tJyq2HG+i/dfSoFUt8/aZCM+GKtmFk/Y=
-github.com/mdlayher/raw v0.0.0-20190606142536-fef19f00fc18/go.mod h1:7EpbotpCmVZcu+KCX4g9WaRNuu11uyhiW7+Le1dKawg=
 github.com/miekg/dns v1.0.14 h1:9jZdLNd/P4+SfEJ0TNyxYpsK8N4GtfylBLqtbYN1sbA=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
@@ -196,14 +192,8 @@
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.4.2 h1:3mYCb7aPxS/RU7TI1y4rkEn1oKmPRjNJLNEXgw7MH2I=
 github.com/onsi/gomega v1.4.2/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
-github.com/opencord/voltha-lib-go/v2 v2.2.13 h1:8TxMjhqOL2vcDxO5uIaAd6Lj2Ahq/gAFiNNoUkM90cQ=
-github.com/opencord/voltha-lib-go/v2 v2.2.13/go.mod h1:g8WH4WTOJ0f40ZoqYFR4nyOLIAC84dOKDXsbT1ZErY4=
-github.com/opencord/voltha-lib-go/v2 v2.2.12 h1:QymMvOZwrnW3caPmeUycNqMGZceNC8x3AC5exF5IO4E=
-github.com/opencord/voltha-lib-go/v2 v2.2.12/go.mod h1:Hql0xWiBFqYM6WpE5G+w9//NdaIoR9mVzcvVYDxEnZY=
-github.com/opencord/voltha-openolt-adapter v2.2.0+incompatible h1:l6hLGWS4dUgrsxrDeR94rBPLQzTWnUKeYAyyy9zm4BI=
-github.com/opencord/voltha-openolt-adapter v2.2.0+incompatible/go.mod h1:iQvDqrEvGeq6WQfNTJt7ekhCSo0tHa1qWxZhIaNTb9Q=
-github.com/opencord/voltha-protos v1.0.3 h1:9v+R/QGF1xK+HKTqFM0IqCABoGCAxC8iKH4VzNBJDto=
-github.com/opencord/voltha-protos v1.0.3/go.mod h1:myfFIkJdA+rCXmKdLImhh79MfabN4ZOKQ4grk32DnPQ=
+github.com/opencord/voltha-lib-go/v2 v2.2.16 h1:7Uzlt+uVYx6Lo4W/ZX89WQud8IvQJvcW7yOnCKvs+AY=
+github.com/opencord/voltha-lib-go/v2 v2.2.16/go.mod h1:Hql0xWiBFqYM6WpE5G+w9//NdaIoR9mVzcvVYDxEnZY=
 github.com/opencord/voltha-protos/v2 v2.0.1 h1:vcE0XxNVeu0SED0bW2lf2w24k/QMFrFqMexuedIyTEg=
 github.com/opencord/voltha-protos/v2 v2.0.1/go.mod h1:6kOcfYi1CadWowFxI2SH5wLfHrsRECZLZlD2MFK6WDI=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
@@ -296,8 +286,6 @@
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190419010253-1f3472d942ba/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
 golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3 h1:6KET3Sqa7fkVfD63QnAM81ZeYg5n4HwApOJkufONnHA=
 golang.org/x/net v0.0.0-20190930134127-c5a3c61f89f3/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -317,8 +305,6 @@
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190418153312-f0ce4c0180be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190606122018-79a91cf218c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24 h1:R8bzl0244nw47n1xKs1MUMAaTNgjavKcN/aX2Ss3+Fo=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
diff --git a/vendor/github.com/opencord/voltha-lib-go/v2/pkg/db/backend.go b/vendor/github.com/opencord/voltha-lib-go/v2/pkg/db/backend.go
index c319d99..b2547c2 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v2/pkg/db/backend.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v2/pkg/db/backend.go
@@ -17,23 +17,36 @@
 package db
 
 import (
+	"context"
 	"errors"
 	"fmt"
 	"github.com/opencord/voltha-lib-go/v2/pkg/db/kvstore"
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
 	"strconv"
 	"sync"
+	"time"
+)
+
+const (
+	// Default Minimal Interval for posting alive state of backend kvstore on Liveness Channel
+	DefaultLivenessChannelInterval = time.Second * 30
 )
 
 // Backend structure holds details for accessing the kv store
 type Backend struct {
 	sync.RWMutex
-	Client     kvstore.Client
-	StoreType  string
-	Host       string
-	Port       int
-	Timeout    int
-	PathPrefix string
+	Client                  kvstore.Client
+	StoreType               string
+	Host                    string
+	Port                    int
+	Timeout                 int
+	PathPrefix              string
+	alive                   bool          // Is this backend connection alive?
+	liveness                chan bool     // channel to post alive state
+	LivenessChannelInterval time.Duration // regularly push alive state beyond this interval
+	lastLivenessTime        time.Time     // Instant of last alive state push
 }
 
 // NewBackend creates a new instance of a Backend structure
@@ -41,11 +54,13 @@
 	var err error
 
 	b := &Backend{
-		StoreType:  storeType,
-		Host:       host,
-		Port:       port,
-		Timeout:    timeout,
-		PathPrefix: pathPrefix,
+		StoreType:               storeType,
+		Host:                    host,
+		Port:                    port,
+		Timeout:                 timeout,
+		LivenessChannelInterval: DefaultLivenessChannelInterval,
+		PathPrefix:              pathPrefix,
+		alive:                   false, // connection considered down at start
 	}
 
 	address := host + ":" + strconv.Itoa(port)
@@ -76,6 +91,100 @@
 	return path
 }
 
+func (b *Backend) updateLiveness(alive bool) {
+	// Periodically push stream of liveness data to the channel,
+	// so that in a live state, the core does not timeout and
+	// send a forced liveness message. Push alive state if the
+	// last push to channel was beyond livenessChannelInterval
+	if b.liveness != nil {
+
+		if b.alive != alive {
+			log.Debug("update-liveness-channel-reason-change")
+			b.liveness <- alive
+			b.lastLivenessTime = time.Now()
+		} else if time.Now().Sub(b.lastLivenessTime) > b.LivenessChannelInterval {
+			log.Debug("update-liveness-channel-reason-interval")
+			b.liveness <- alive
+			b.lastLivenessTime = time.Now()
+		}
+	}
+
+	// Emit log message only for alive state change
+	if b.alive != alive {
+		log.Debugw("change-kvstore-alive-status", log.Fields{"alive": alive})
+		b.alive = alive
+	}
+}
+
+// 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)
+	log.Debugw("kvstore-liveness-check-result", log.Fields{"alive": alive})
+
+	b.updateLiveness(alive)
+	return alive
+}
+
+// Enable the liveness monitor channel. This channel will report
+// a "true" or "false" on every kvstore operation which indicates whether
+// or not the connection is still Live. This channel is then picked up
+// by the service (i.e. rw_core / ro_core) to update readiness status
+// and/or take other actions.
+func (b *Backend) EnableLivenessChannel() chan bool {
+	log.Debug("enable-kvstore-liveness-channel")
+
+	if b.liveness == nil {
+		log.Debug("create-kvstore-liveness-channel")
+
+		// Channel size of 10 to avoid any possibility of blocking in Load conditions
+		b.liveness = make(chan bool, 10)
+
+		// Post initial alive state
+		b.liveness <- b.alive
+		b.lastLivenessTime = time.Now()
+	}
+
+	return b.liveness
+}
+
+// Extract Alive status of Kvstore based on type of error
+func (b *Backend) isErrorIndicatingAliveKvstore(err error) bool {
+	// Alive unless observed an error indicating so
+	alive := true
+
+	if err != nil {
+
+		// timeout indicates kvstore not reachable/alive
+		if err == context.DeadlineExceeded {
+			alive = false
+		}
+
+		// Need to analyze client-specific errors based on backend type
+		if b.StoreType == "etcd" {
+
+			// For etcd backend, consider not-alive only for errors indicating
+			// timedout request or unavailable/corrupted cluster. For all remaining
+			// error codes listed in https://godoc.org/google.golang.org/grpc/codes#Code,
+			// we would not infer a not-alive backend because such a error may also
+			// occur due to bad client requests or sequence of operations
+			switch status.Code(err) {
+			case codes.DeadlineExceeded:
+				fallthrough
+			case codes.Unavailable:
+				fallthrough
+			case codes.DataLoss:
+				alive = false
+			}
+
+			//} else {
+			// TODO: Implement for consul backend; would it be needed ever?
+		}
+	}
+
+	return alive
+}
+
 // List retrieves one or more items that match the specified key
 func (b *Backend) List(key string) (map[string]*kvstore.KVPair, error) {
 	b.Lock()
@@ -84,7 +193,11 @@
 	formattedPath := b.makePath(key)
 	log.Debugw("listing-key", log.Fields{"key": key, "path": formattedPath})
 
-	return b.Client.List(formattedPath, b.Timeout)
+	pair, err := b.Client.List(formattedPath, b.Timeout)
+
+	b.updateLiveness(b.isErrorIndicatingAliveKvstore(err))
+
+	return pair, err
 }
 
 // Get retrieves an item that matches the specified key
@@ -95,7 +208,11 @@
 	formattedPath := b.makePath(key)
 	log.Debugw("getting-key", log.Fields{"key": key, "path": formattedPath})
 
-	return b.Client.Get(formattedPath, b.Timeout)
+	pair, err := b.Client.Get(formattedPath, b.Timeout)
+
+	b.updateLiveness(b.isErrorIndicatingAliveKvstore(err))
+
+	return pair, err
 }
 
 // Put stores an item value under the specifed key
@@ -106,7 +223,11 @@
 	formattedPath := b.makePath(key)
 	log.Debugw("putting-key", log.Fields{"key": key, "value": string(value.([]byte)), "path": formattedPath})
 
-	return b.Client.Put(formattedPath, value, b.Timeout)
+	err := b.Client.Put(formattedPath, value, b.Timeout)
+
+	b.updateLiveness(b.isErrorIndicatingAliveKvstore(err))
+
+	return err
 }
 
 // Delete removes an item under the specified key
@@ -117,7 +238,11 @@
 	formattedPath := b.makePath(key)
 	log.Debugw("deleting-key", log.Fields{"key": key, "path": formattedPath})
 
-	return b.Client.Delete(formattedPath, b.Timeout)
+	err := b.Client.Delete(formattedPath, b.Timeout)
+
+	b.updateLiveness(b.isErrorIndicatingAliveKvstore(err))
+
+	return err
 }
 
 // CreateWatch starts watching events for the specified key
diff --git a/vendor/github.com/opencord/voltha-lib-go/v2/pkg/flows/flow_utils.go b/vendor/github.com/opencord/voltha-lib-go/v2/pkg/flows/flow_utils.go
index f7d1b43..02a4b0b 100644
--- a/vendor/github.com/opencord/voltha-lib-go/v2/pkg/flows/flow_utils.go
+++ b/vendor/github.com/opencord/voltha-lib-go/v2/pkg/flows/flow_utils.go
@@ -1330,3 +1330,35 @@
 	}
 	return matchFields
 }
+
+//IsMulticastIp returns true if the ip starts with the byte sequence of 1110;
+//false otherwise.
+func IsMulticastIp(ip uint32) bool {
+	return ip>>28 == 14
+}
+
+//ConvertToMulticastMacInt returns equivalent mac address of the given multicast ip address
+func ConvertToMulticastMacInt(ip uint32) uint64 {
+	//get last 23 bits of ip address by ip & 00000000011111111111111111111111
+	theLast23BitsOfIp := ip & 8388607
+	// perform OR with 0x1005E000000 to build mcast mac address
+	return 1101088686080 | uint64(theLast23BitsOfIp)
+}
+
+//ConvertToMulticastMacBytes returns equivalent mac address of the given multicast ip address
+func ConvertToMulticastMacBytes(ip uint32) []byte {
+	mac := ConvertToMulticastMacInt(ip)
+	var b bytes.Buffer
+	// catalyze (48 bits) in binary:111111110000000000000000000000000000000000000000
+	catalyze := uint64(280375465082880)
+	//convert each octet to decimal
+	for i := 0; i < 6; i++ {
+		if i != 0 {
+			catalyze = catalyze >> 8
+		}
+		octet := mac & catalyze
+		octetDecimal := octet >> uint8(40-i*8)
+		b.WriteByte(byte(octetDecimal))
+	}
+	return b.Bytes()
+}
diff --git a/vendor/modules.txt b/vendor/modules.txt
index 73465d7..0dc27a7 100644
--- a/vendor/modules.txt
+++ b/vendor/modules.txt
@@ -100,7 +100,7 @@
 github.com/modern-go/concurrent
 # github.com/modern-go/reflect2 v1.0.1
 github.com/modern-go/reflect2
-# github.com/opencord/voltha-lib-go/v2 v2.2.13
+# github.com/opencord/voltha-lib-go/v2 v2.2.16
 github.com/opencord/voltha-lib-go/v2/pkg/log
 github.com/opencord/voltha-lib-go/v2/pkg/db
 github.com/opencord/voltha-lib-go/v2/pkg/db/kvstore