OVS_TUNNEL_KEY_ATTR_TP_SRC
[OVS_TUNNEL_KEY_ATTR_TP_SRC] = { .len = sizeof(u16) },
case OVS_TUNNEL_KEY_ATTR_TP_SRC:
nla_put_be16(skb, OVS_TUNNEL_KEY_ATTR_TP_SRC, output->tp_src))