es select itf 2

NetworkService.java

public InetAddress resolveInetAddress(String host, String defaultValue1, String defaultValue2) throws UnknownHostException, IOException {
        if (host == null) {
            host = defaultValue1;
        }
        if (host == null) {
            host = defaultValue2;
        }
        if (host == null) {
            for (CustomNameResolver customNameResolver : customNameResolvers) {
                InetAddress inetAddress = customNameResolver.resolveDefault();
                if (inetAddress != null) {
                    return inetAddress;
                }
            }
            return null;
        }
        String origHost = host;
        if ((host.startsWith("#") && host.endsWith("#")) || (host.startsWith("_") && host.endsWith("_"))) {
            host = host.substring(1, host.length() - 1);

            for (CustomNameResolver customNameResolver : customNameResolvers) {
                InetAddress inetAddress = customNameResolver.resolveIfPossible(host);
                if (inetAddress != null) {
                    return inetAddress;
                }
            }

            if (host.equals("local")) {
                return NetworkUtils.getLocalAddress();
            } else if (host.startsWith("non_loopback")) {
                if (host.toLowerCase(Locale.ROOT).endsWith(":ipv4")) {
                    return NetworkUtils.getFirstNonLoopbackAddress(NetworkUtils.StackType.IPv4);
                } else if (host.toLowerCase(Locale.ROOT).endsWith(":ipv6")) {
                    return NetworkUtils.getFirstNonLoopbackAddress(NetworkUtils.StackType.IPv6);
                } else {
                    return NetworkUtils.getFirstNonLoopbackAddress(NetworkUtils.getIpStackType());
                }
            } else {
                NetworkUtils.StackType stackType = NetworkUtils.getIpStackType();
                if (host.toLowerCase(Locale.ROOT).endsWith(":ipv4")) {
                    stackType = NetworkUtils.StackType.IPv4;
                    host = host.substring(0, host.length() - 5);
                } else if (host.toLowerCase(Locale.ROOT).endsWith(":ipv6")) {
                    stackType = NetworkUtils.StackType.IPv6;
                    host = host.substring(0, host.length() - 5);
                }
                Collection<NetworkInterface> allInterfs = NetworkUtils.getAllAvailableInterfaces();
                for (NetworkInterface ni : allInterfs) {
                    if (!ni.isUp()) {
                        continue;
                    }
                    if (host.equals(ni.getName()) || host.equals(ni.getDisplayName())) {
                        if (ni.isLoopback()) {
                            return NetworkUtils.getFirstAddress(ni, stackType);
                        } else {
                            return NetworkUtils.getFirstNonLoopbackAddress(ni, stackType);
                        }
                    }
                }
            }
            throw new IOException("Failed to find network interface for [" + origHost + "]");
        }
        return InetAddress.getByName(host);
    }