IPV6_V6ONLY just to be sure XXX should IPV6_FAITH be privileged op?
IPV6_V6ONLY just to be sure
XXX should IPV6_FAITH be privileged op?

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame