1 IFF_UP 2 IFF_BROADCAST 3 IFF_DEBUG 4 IFF_LOOPBACK 5 IFF_POINTOPOINT 6 IFF_NOTRAILERS 7 IFF_RUNNING 8 IFF_NOARP 9 IFF_PROMISC 10 IFF_ALLMULTI 11 IFF_MASTER 12 IFF_SLAVE 13 IFF_MULTICAST 14 IFF_PORTSEL 15 IFF_AUTOMEDIA 16
