diff --git a/src/vnsw/contrail-vrouter-api/contrail_vrouter_api/vrouter_api.py b/src/vnsw/contrail-vrouter-api/contrail_vrouter_api/vrouter_api.py
index 00076551baa..8388b9f9897 100644
--- a/src/vnsw/contrail-vrouter-api/contrail_vrouter_api/vrouter_api.py
+++ b/src/vnsw/contrail-vrouter-api/contrail_vrouter_api/vrouter_api.py
@@ -89,6 +89,9 @@ def add_port(self, vm_uuid_str, vif_uuid_str, interface_name, mac_address,
                 self._ports[vif_uuid_str] = cmd
 
             self._resynchronize()
+            if (ret_code != 0):
+                return False
+            return True
 
         finally:
             if self._semaphore: