private static boolean isIPv6LinkLocalAddress(Inet6Address inet6Address) {
    byte[] addressBytes = inet6Address.getAddress();
    return ((addressBytes[0] == (byte) 0xfe) && (addressBytes[1] == (byte) 0x80));
  }
Detect LinkLocal IPv6 address where the interface is missing, ie %[0-9].

@see InetAddress#isLinkLocalAddress()
geode-core/src/distributedTest/java/org/apache/geode/distributed/HostedLocatorsDUnitTest.java