ifla_vf_link_state
nla_total_size(sizeof(struct ifla_vf_link_state)) +
struct ifla_vf_link_state vf_linkstate;
[IFLA_VF_LINK_STATE] = { .len = sizeof(struct ifla_vf_link_state) },
struct ifla_vf_link_state *ivl = nla_data(tb[IFLA_VF_LINK_STATE]);