IPVS_DEST_ATTR_U_THRESH
[IPVS_DEST_ATTR_U_THRESH] = { .type = NLA_U32 },
nla_put_u32(skb, IPVS_DEST_ATTR_U_THRESH, dest->u_threshold) ||
nla_u_thresh = attrs[IPVS_DEST_ATTR_U_THRESH];