FTTH-50632 [log modification of controller and vpagent  package]

Change-Id: Ib46bd1dbd7ba759a1b25f22b377dcefa3a289919
diff --git a/internal/pkg/vpagent/refresh.go b/internal/pkg/vpagent/refresh.go
index 2a8f2bc..a0514cf 100644
--- a/internal/pkg/vpagent/refresh.go
+++ b/internal/pkg/vpagent/refresh.go
@@ -53,7 +53,7 @@
 func (vpa *VPAgent) refreshDeviceList(cntx context.Context) {
 	// If we exit, assume disconnected
 	if vpa.volthaClient == nil {
-		logger.Error(ctx, "no-voltha-connection")
+		logger.Fatal(ctx, "no-voltha-connection")
 		vpa.events <- vpaEventVolthaDisconnected
 		return
 	}
@@ -102,7 +102,7 @@
 }
 
 func (vpa *VPAgent) addVPClient(device *voltha.LogicalDevice) intf.IVPClient {
-	logger.Warnw(ctx, "GrpcClient addClient called ", log.Fields{"device-id": device.Id})
+	logger.Debugw(ctx, "GrpcClient addClient called ", log.Fields{"device-id": device.Id})
 	vpa.mapLock.Lock()
 	defer vpa.mapLock.Unlock()
 	var serialNum = "Unknown"