IFLA_VF_SPOOFCHK
nla_put(skb, IFLA_VF_SPOOFCHK, sizeof(vf_spoofchk),
[IFLA_VF_SPOOFCHK] = { .len = sizeof(struct ifla_vf_spoofchk) },
if (tb[IFLA_VF_SPOOFCHK]) {
struct ifla_vf_spoofchk *ivs = nla_data(tb[IFLA_VF_SPOOFCHK]);