NDTA_THRESH3
nla_put_u32(skb, NDTA_THRESH3, READ_ONCE(tbl->gc_thresh3)))
[NDTA_THRESH3] = { .type = NLA_U32 },
tb[NDTA_THRESH3] || tb[NDTA_GC_INTERVAL]) &&
if (tb[NDTA_THRESH3])
WRITE_ONCE(tbl->gc_thresh3, nla_get_u32(tb[NDTA_THRESH3]));