RTNLGRP_IPV6_PREFIX 5984 net/ipv6/addrconf.c 	rtnl_notify(skb, net, 0, RTNLGRP_IPV6_PREFIX, NULL, GFP_ATOMIC);
RTNLGRP_IPV6_PREFIX 5988 net/ipv6/addrconf.c 		rtnl_set_sk_err(net, RTNLGRP_IPV6_PREFIX, err);