port.setDeviceOwner(null); target.removeInterface(input.getPortUUID()); if (instances != null) { for (Object instance : instances) { port.setDeviceID(null); port.setDeviceOwner(null); target.removeInterface(input.getPortUUID()); for (Object instance : instances) { INeutronRouterAware service = (INeutronRouterAware) instance; target.removeInterface(input.getPortUUID()); for (Object instance : instances) { INeutronRouterAware service = (INeutronRouterAware) instance;