IFLA_AMT_LINK
[IFLA_AMT_LINK] = { .type = NLA_U32 },
if (!data[IFLA_AMT_LINK]) {
NL_SET_ERR_MSG_ATTR(extack, data[IFLA_AMT_LINK],
nla_get_u32(data[IFLA_AMT_LINK]));
NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_AMT_LINK],
NL_SET_ERR_MSG_ATTR(extack, tb[IFLA_AMT_LINK],
if (nla_put_u32(skb, IFLA_AMT_LINK, amt->stream_dev->ifindex))