code: function (ports) {
  	
  	var port = ports[0];
  
  	var list = '';
  	for (var i=0; i < ports.length; i++) {
  		list += (ports[i] + ', ');
  		delete l_ports[ports[i]];
  	}
  
  	LOG.warn('release ports: ' + list, 'SR.Monitor');
  	
  	// remove all other ports associated with this port
  	for (var i in l_ports) {
  		if (l_ports[i] === port) {
  			LOG.warn('release port: ' + i, 'SR.Monitor');
  			delete l_ports[i];
  		}
  	}
  }
docs: recycle an app port