dhcpPktHandler = new DhcpPktHandler(dataBroker, dhcpManager);
dhcpPktHandler.setPacketProcessingService(pktProcessingService);
packetListener = notificationService.registerNotificationListener(dhcpPktHandler);
dhcpNodeListener = new NodeListener(dataBroker, dhcpManager);
dhcpPktHandler = new DhcpPktHandler(dataBroker, dhcpManager);
dhcpPktHandler.setPacketProcessingService(pktProcessingService);
packetListener = notificationService.registerNotificationListener(dhcpPktHandler);
dhcpNodeListener = new NodeListener(dataBroker, dhcpManager);