netdev_next_lower_dev_rcu
ldev = netdev_next_lower_dev_rcu(now, &iter);
lowerdev = netdev_next_lower_dev_rcu(brdev, &iter);
lowerdev = netdev_next_lower_dev_rcu(brdev, &iter);
lowerdev = netdev_next_lower_dev_rcu(brdev, &iter);
lowerdev = netdev_next_lower_dev_rcu(brdev, &iter);
struct net_device *netdev_next_lower_dev_rcu(struct net_device *dev,
EXPORT_SYMBOL(netdev_next_lower_dev_rcu);
ldev = netdev_next_lower_dev_rcu(now, &iter);