IFLA_VXLAN_LINK
[IFLA_VXLAN_LINK] = { .type = NLA_U32 },
if (data[IFLA_VXLAN_LINK])
conf->remote_ifindex = nla_get_u32(data[IFLA_VXLAN_LINK]);
if (dst->remote_ifindex && nla_put_u32(skb, IFLA_VXLAN_LINK, dst->remote_ifindex))