@Override
 public void handle(CloseConnectionResponse event) {
   logger.info("Received CloseConnectionResponse");
   Set set = new HashSet<Integer>();
   set.add(serverAddr.getPort());
   PortDeleteRequest request = new PortDeleteRequest(0, set, Transport.UDT);
   request.setResponse(new PortDeleteResponse(request, 0) {});
   trigger(request, server.getPositive(NatNetworkControl.class));
 }
          @Override
          public void handle(PortBindResponse event) {
            logger.info("Port bind response");

            if (event.getStatus() == Status.FAIL) {
              testObj.failAndRelease();
              return;
            }

            if (event.getPort() == serverAddr.getPort()) {
              trigger(
                  new TConnectionMsg.Ping(clientAddr, serverAddr, Transport.TCP, UUID.nextUUID()),
                  client.getPositive(VodNetwork.class));
            }
          }