code: public void stop() {
  			if (this.channels.size() > 0) 
  			{
  	            logger.info(regularConfiguration.getName() + " currently has [" + this.channels.size() + "] open child channel(s) that will be closed as part of stop()");
  	        }
  			this.channelFactory.shutdown();
  			this.channels.close().awaitUninterruptibly();
  			this.regularBootstrap.shutdown();
  			if(this.securedBootstrap!=null)
  			this.securedBootstrap.shutdown();
  	        logger.info(regularConfiguration.getName() + " stopped at " + regularConfiguration.getHost());
  		}
docs: Stop load balancer server