Invalid Comparision Fix in VTN

Change-Id: Ia72eaf5bea05c17180264152b13c91e9c64a511b
diff --git a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/service/impl/VtnRscManager.java b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/service/impl/VtnRscManager.java
index ec9ca3e..99ff1ed 100644
--- a/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/service/impl/VtnRscManager.java
+++ b/apps/vtn/vtnrsc/src/main/java/org/onosproject/vtnrsc/service/impl/VtnRscManager.java
@@ -343,7 +343,7 @@
         VirtualPort vmPort = virtualPortService.getPort(portId);
         Set<Host> hostSet = hostService.getHostsByMac(vmPort.macAddress());
         for (Host host : hostSet) {
-            if (host.annotations().value(IFACEID).equals(vmPort.portId())) {
+            if (host.annotations().value(IFACEID).equals(vmPort.portId().portId())) {
                 return host.location().deviceId();
             }
         }