NFTA_FLOWTABLE_HOOK_MAX
static const struct nla_policy nft_flowtable_hook_policy[NFTA_FLOWTABLE_HOOK_MAX + 1] = {
struct nlattr *tb[NFTA_FLOWTABLE_HOOK_MAX + 1];
err = nla_parse_nested_deprecated(tb, NFTA_FLOWTABLE_HOOK_MAX,