Symbol: RTNLGRP_ND_USEROPT
net/ipv6/ndisc.c
1222
rtnl_notify(skb, net, 0, RTNLGRP_ND_USEROPT, NULL, GFP_ATOMIC);
net/ipv6/ndisc.c
1229
rtnl_set_sk_err(net, RTNLGRP_ND_USEROPT, err);