sel_netif_sid 4941 security/selinux/hooks.c err = sel_netif_sid(ns, ifindex, &if_sid); sel_netif_sid 5870 security/selinux/hooks.c if (sel_netif_sid(dev_net(outdev), ifindex, &if_sid)) sel_netif_sid 21 security/selinux/include/netif.h int sel_netif_sid(struct net *ns, int ifindex, u32 *sid);