netdev_lower_get_next_private_rcu
void *netdev_lower_get_next_private_rcu(struct net_device *dev,
priv = netdev_lower_get_next_private_rcu(dev, &(iter)); \
priv = netdev_lower_get_next_private_rcu(dev, &(iter)))
EXPORT_SYMBOL(netdev_lower_get_next_private_rcu);