RTNLGRP_IPV6_MROUTE 2409 net/ipv6/ip6mr.c 	rtnl_notify(skb, net, 0, RTNLGRP_IPV6_MROUTE, NULL, GFP_ATOMIC);
RTNLGRP_IPV6_MROUTE 2415 net/ipv6/ip6mr.c 		rtnl_set_sk_err(net, RTNLGRP_IPV6_MROUTE, err);