private static final String nonLoopbackAddress() {
        println("Looking at network interfaces")
        def address = Collections.list(NetworkInterface.getNetworkInterfaces())
            .collectMany { it.isLoopback() ? [] : Collections.list(it.inetAddresses) }
            .find { it instanceof Inet4Address && !it.isLoopbackAddress() }
            ?.hostAddress

        cleanup:
        jdwpClient.close()
    }

    private static String nonLoopbackAddress() {
        println("Looking at network interfaces")
        def address = Collections.list(NetworkInterface.getNetworkInterfaces())
            .collectMany { it.isLoopback() ? [] : Collections.list(it.inetAddresses) }
            .find { it instanceof Inet4Address && !it.isLoopbackAddress() }
            .hostAddress

  private static ImmutableSet<String> getMachineScopesAndInterfaces() throws SocketException {
    ImmutableSet.Builder<String> builder = ImmutableSet.builder();
    Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
    assertTrue(interfaces.hasMoreElements());
    while (interfaces.hasMoreElements()) {
      NetworkInterface i = interfaces.nextElement();
      builder.add(i.getName()).add(String.valueOf(i.getIndex()));