ipip6_dev_free     70 net/ipv6/sit.c static void ipip6_dev_free(struct net_device *dev);
ipip6_dev_free   1378 net/ipv6/sit.c 	dev->priv_destructor	= ipip6_dev_free;
ipip6_dev_free   1881 net/ipv6/sit.c 	ipip6_dev_free(sitn->fb_tunnel_dev);