Fix SONA to support vlan network mode.

Change-Id: Ib280ae4a41be1bfb86f1efc34011651a7390437b
diff --git a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingHandler.java b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingHandler.java
index 6fabacd..4fb03a2 100644
--- a/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingHandler.java
+++ b/apps/openstacknetworking/app/src/main/java/org/onosproject/openstacknetworking/impl/OpenstackSwitchingHandler.java
@@ -369,8 +369,9 @@
                         remoteNode.vlanIntf() != null)
                 .forEach(remoteNode -> {
                     TrafficTreatment treatmentToRemote = DefaultTrafficTreatment.builder()
-                                    .setOutput(remoteNode.vlanPortNum())
-                                    .build();
+                            .setEthDst(instPort.macAddress())
+                            .setOutput(remoteNode.vlanPortNum())
+                            .build();
 
                     osFlowRuleService.setRule(
                             appId,