NHA_RES_BUCKET
nest = nla_nest_start(skb, NHA_RES_BUCKET);
if (tb[NHA_RES_BUCKET]) {
tb[NHA_RES_BUCKET],
if (!tb[NHA_RES_BUCKET]) {
err = nh_valid_get_bucket_req_res_bucket(tb[NHA_RES_BUCKET],
[NHA_RES_BUCKET] = { .type = NLA_NESTED },
[NHA_RES_BUCKET] = { .type = NLA_NESTED },