public static StringBuilder inetAddress(@Nullable InetAddress addr) {
        final StringBuilder buf = new StringBuilder(32);
        appendInetAddress(buf, addr);
        return buf;
    }
Formats the given {@link InetAddress}. The difference from {@link InetAddress#toString()} is
that it does not format a host name if it's not available or it's same with the IP address.
core/src/main/java/com/linecorp/armeria/common/util/TextFormatter.java