Merge branch 'ip6_vti-vti6_changelink-and-vti6_siocdevprivate-netns-fixes'

Maoyi Xie says:

====================
ip6_vti: vti6_changelink and vti6_siocdevprivate netns fixes

1/2 carries forward Eric Dumazet's Reviewed-by. Only the Fixes
tag changes there. 2/2 changes the Fixes tag and adds the
ns_capable hunk.
====================

Link: https://patch.msgid.link/20260521130555.3421684-1-maoyixie.tju@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>