eth0 LAN
eth1 Internet
eth2 DMZ
eth3 extra1
eth4 extra2
eth5 extra3
eth6 extra4
eth7 extra5
eth8 extra6
eth9 extra7
eth10 extra8
eth11 extra9
eth12 extra10
eth13 extra11
eth14 extra12
eth15 extra13
eth16 extra14
eth17 extra15
eth18 extra16
eth19 extra17