mlx5_lag_dev_get_netdev_idx
idx = mlx5_lag_dev_get_netdev_idx(ldev, ndev);
idx = mlx5_lag_dev_get_netdev_idx(ldev, ndev_tmp);
int mlx5_lag_dev_get_netdev_idx(struct mlx5_lag *ldev,
ldev_idx = mlx5_lag_dev_get_netdev_idx(ldev, fib_dev);