NET_ADDR_STOLEN
if (upper->addr_assign_type == NET_ADDR_STOLEN) {
bond_dev->addr_assign_type = NET_ADDR_STOLEN;
tp->netdev->addr_assign_type = NET_ADDR_STOLEN;
if (dev->addr_assign_type != NET_ADDR_STOLEN)
dev->addr_assign_type = NET_ADDR_STOLEN;