ifla_vf_vlan
nla_total_size(sizeof(struct ifla_vf_vlan)) +
struct ifla_vf_vlan vf_vlan;
[IFLA_VF_VLAN] = { .len = sizeof(struct ifla_vf_vlan) },
struct ifla_vf_vlan *ivv = nla_data(tb[IFLA_VF_VLAN]);