netdev_walk_all_lower_dev
netdev_walk_all_lower_dev(dev, prestera_lower_dev_walk, &priv);
netdev_walk_all_lower_dev(dev, mlxsw_sp_lower_dev_walk, &priv);
netdev_walk_all_lower_dev(dev, rocker_lower_dev_walk, &priv);
ret = netdev_walk_all_lower_dev(brdev,
int netdev_walk_all_lower_dev(struct net_device *dev,
EXPORT_SYMBOL_GPL(netdev_walk_all_lower_dev);
netdev_walk_all_lower_dev(dev, switchdev_lower_dev_walk, &priv);