vif_delete        843 net/ipv4/ipmr.c 			vif_delete(i, 0);
vif_delete        956 net/ipv4/ipmr.c 			ret = vif_delete(vif.vifc_vifi, 0);
vif_delete       1135 net/ipv4/ipmr.c 			vif_delete(ct, 1);