RDMA_NLDEV_ATTR_NDEV_INDEX
ret = nla_put_u32(msg, RDMA_NLDEV_ATTR_NDEV_INDEX, netdev->ifindex);
RDMA_NLDEV_ATTR_NDEV_INDEX, netdev->ifindex);
RDMA_NLDEV_ATTR_NDEV_INDEX, netdev->ifindex);
[RDMA_NLDEV_ATTR_NDEV_INDEX] = { .type = NLA_U32 },