OVS_PACKET_ATTR_HASH
if (nla_put(user_skb, OVS_PACKET_ATTR_HASH, sizeof (u64), &hash)) {
if (a[OVS_PACKET_ATTR_HASH]) {
hash = nla_get_u64(a[OVS_PACKET_ATTR_HASH]);
[OVS_PACKET_ATTR_HASH] = { .type = NLA_U64 },