Symbol: TUN_STAYUP
sys/net/if_tun.c
291
sc->sc_flags |= TUN_INITED|TUN_STAYUP;
sys/net/if_tun.c
416
stayup = TUN_STAYUP;
sys/net/if_tun.c
517
if (!ISSET(sc->sc_flags, TUN_STAYUP)) {