RTNLGRP_NEXTHOP
rtnl_notify(skb, info->nl_net, info->portid, RTNLGRP_NEXTHOP,
rtnl_set_sk_err(info->nl_net, RTNLGRP_NEXTHOP, err);
rtnl_notify(skb, nh->net, 0, RTNLGRP_NEXTHOP, NULL, GFP_KERNEL);
rtnl_set_sk_err(nh->net, RTNLGRP_NEXTHOP, err);