9175d3f38816 ("ipv6: ndisc: RFC-ietf-6man-ra-pref64-09 is now published as RFC8781")
c24a77edc9a7 ("ipv6: ndisc: add support for 'PREF64' dns64 prefix identifier")
66b5f1c43984 ("net-ipv6-ndisc: add support for RFC7710 RA Captive Portal Identifier")