net: ipv6 p1 stable backport from upstream
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2025457
Signed-off-by: Hangbin Liu haliu@redhat.com
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2025457
Signed-off-by: Hangbin Liu haliu@redhat.com