def METHOD_NAME():
    try:
        with socket.socket(socket.AF_INET6, socket.SOCK_DGRAM) as s_ipv6:
            # IPv6 prefix for documentation purpose
            s_ipv6.connect(("2001:db8::8080", 80))
            ipv6_address = s_ipv6.getsockname()[0]
    except:
        ipv6_address = None
    logging.debug("IPv6 address = %s", ipv6_address)
    return ipv6_address