It appears that 4.14 (.332) and 4.19 (.301) LTS missed out on: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=66b5f1c439843bcbab01cc7f3854ae2742f3d1e3 net-ipv6-ndisc: add support for RFC7710 RA Captive Portal Identifier while 4.14, 4.19 and 5.4 (.263) LTS missed out on: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c24a77edc9a7ac9b5fea75407f197fe1469262f4 ipv6: ndisc: add support for 'PREF64' dns64 prefix identifier and https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9175d3f38816835b0801bacbf4f6aff1a1672b71 ipv6: ndisc: RFC-ietf-6man-ra-pref64-09 is now published as RFC8781 Could we get these included? They're trivial. Thanks, - Maciej