diff --git a/VERSION b/VERSION
index 266146b..e20c784 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.6.3
+1.6.4-dev
diff --git a/internal/pkg/ofagent/ofagent.go b/internal/pkg/ofagent/ofagent.go
index e2b66f3..fec0679 100644
--- a/internal/pkg/ofagent/ofagent.go
+++ b/internal/pkg/ofagent/ofagent.go
@@ -177,6 +177,9 @@
 				logger.Debug(ctx, "ofagent-voltha-disconnect-event")
 				if state == ofaStateConnected {
 					state = ofaStateDisconnected
+					// Clear all the OF connections to the OF controller.  These will be recreated when the
+					// connection to voltha is established
+					ofa.clearAllOFClient()
 					ofa.volthaClient.Clear()
 					volthaDone()
 					volthaDone = nil
diff --git a/internal/pkg/ofagent/refresh.go b/internal/pkg/ofagent/refresh.go
index 8025ba7..c77247d 100644
--- a/internal/pkg/ofagent/refresh.go
+++ b/internal/pkg/ofagent/refresh.go
@@ -110,9 +110,22 @@
 }
 
 func (ofa *OFAgent) getOFClient(ctx context.Context, deviceID string) *openflow.OFClient {
+	ofa.mapLock.Lock()
 	ofc := ofa.clientMap[deviceID]
+	ofa.mapLock.Unlock()
 	if ofc == nil {
 		ofc = ofa.addOFClient(ctx, deviceID)
 	}
 	return ofc
 }
+
+//clearAllOFClient clears all OF connections for all clients
+func (ofa *OFAgent) clearAllOFClient() {
+	logger.Debug(context.Background(), "stopping-all-of-connections...")
+	ofa.mapLock.Lock()
+	for deviceID := range ofa.clientMap {
+		ofa.clientMap[deviceID].Stop()
+		delete(ofa.clientMap, deviceID)
+	}
+	ofa.mapLock.Unlock()
+}