// create temp socket to get available port for test
socket = new ServerSocket(0);
- final var localAddress = IetfInetUtil.INSTANCE.ipAddressFor(InetAddress.getLoopbackAddress());
+ final var localAddress = IetfInetUtil.ipAddressFor(InetAddress.getLoopbackAddress());
final var localPort = new PortNumber(Uint16.valueOf(socket.getLocalPort()));
socket.close();