From: Hermin Anggawijaya
Date: Fri, 3 Jul 2015 14:40:52 +1200
> Before commit daad151263cf ("ipv6: Make ipv6_is_mld() inline and use it
> from ip6_mc_input().") MLD packets were only processed locally. After the
> change, a copy of MLD packet goes through ip6_mr_input, causing
> MRT6MSG_NOCACHE
Before commit daad151263cf ("ipv6: Make ipv6_is_mld() inline and use it
from ip6_mc_input().") MLD packets were only processed locally. After the
change, a copy of MLD packet goes through ip6_mr_input, causing
MRT6MSG_NOCACHE message to be generated to user space.
Make MLD packet only processed lo