}
// if port_id is specified, then check that the port exists and has at least one IP
String port_id = singleton.getPortUUID();
if (port_id != null) {
String fixedIP = null; // used for the fixedIP calculation
if (!portInterface.portExists(port_id))
}
// if port_id is specified, then check that the port exists and has at least one IP
String port_id = singleton.getPortUUID();
if (port_id != null) {
String fixedIP = null; // used for the fixedIP calculation
if (!portInterface.portExists(port_id))