diff --git a/internal/pkg/intf/appif.go b/internal/pkg/intf/appif.go
index 76ea4d4..8ad364e 100644
--- a/internal/pkg/intf/appif.go
+++ b/internal/pkg/intf/appif.go
@@ -15,23 +15,25 @@
 
 package intf
 
+import "context"
+
 // App Interface
 type App interface {
-	PortAddInd(string, uint32, string)
-	PortDelInd(string, string)
+	PortAddInd(context.Context, string, uint32, string)
+	PortDelInd(context.Context, string, string)
 	PortUpdateInd(string, string, uint32)
-	PacketInInd(string, string, []byte)
-	PortUpInd(string, string)
-	PortDownInd(string, string)
-	AddDevice(string, string, string)
+	PacketInInd(context.Context, string, string, []byte)
+	PortUpInd(context.Context, string, string)
+	PortDownInd(context.Context, string, string)
+	AddDevice(context.Context, string, string, string)
 	DeviceUpInd(string)
 	DeviceDownInd(string)
-	DelDevice(string)
+	DelDevice(context.Context, string)
 	SetRebootFlag(bool)
-	ProcessFlowModResultIndication(FlowStatus)
-	DeviceRebootInd(string, string, string)
-	DeviceDisableInd(string)
-	UpdateMvlanProfilesForDevice(string)
-	TriggerPendingProfileDeleteReq(string)
-	TriggerPendingMigrateServicesReq(string)
+	ProcessFlowModResultIndication(context.Context, FlowStatus)
+	DeviceRebootInd(context.Context, string, string, string)
+	DeviceDisableInd(context.Context, string)
+	UpdateMvlanProfilesForDevice(context.Context, string)
+	TriggerPendingProfileDeleteReq(context.Context, string)
+	TriggerPendingMigrateServicesReq(context.Context, string)
 }
diff --git a/internal/pkg/intf/vpagent.go b/internal/pkg/intf/vpagent.go
index f255d13..094c58b 100644
--- a/internal/pkg/intf/vpagent.go
+++ b/internal/pkg/intf/vpagent.go
@@ -45,7 +45,7 @@
 // IVPClient interface
 type IVPClient interface {
 	ChangeEvent(*ofp.ChangeEvent) error
-	PacketIn(*ofp.PacketIn)
+	PacketIn(context.Context, *ofp.PacketIn)
 	ConnectInd(cxt context.Context, DiscType DiscoveryType)
 	Stop()
 }
@@ -59,7 +59,7 @@
 // IVPClientAgent interface
 type IVPClientAgent interface {
 	AddNewDevice(cfg *VPClientCfg)
-	DelDevice(id string)
+	DelDevice(cntx context.Context, id string)
 	IsRebootInProgressForDevice(device string) bool
 	// RebootInd(string, string, string)
 	IsBlockedDevice(string) bool