From: Hangbin Liu
Date: Tue, 10 Jul 2018 22:41:25 +0800
> Based on RFC3376 5.1 and RFC3810 6.1, we should init as INCLUDE when join SSM
> INCLUDE group. In my first version I only clear the group change record. But
> this is not enough as when a new group join, it will init as EXCLUDE and
> trigg
Based on RFC3376 5.1 and RFC3810 6.1, we should init as INCLUDE when join SSM
INCLUDE group. In my first version I only clear the group change record. But
this is not enough as when a new group join, it will init as EXCLUDE and
trigger an filter mode change in ip/ip6_mc_add_src(), which will clear
