IFF_UP
IFF_BROADCAST
IFF_DEBUG
IFF_LOOPBACK
IFF_POINTOPOINT
IFF_NOTRAILERS
IFF_RUNNING
IFF_NOARP
IFF_PROMISC
IFF_ALLMULTI
IFF_MASTER
IFF_SLAVE
IFF_MULTICAST
IFF_PORTSEL
IFF_AUTOMEDIA