root@collie:~# ifconfig 
irda1     Link encap:UNSPEC  HWaddr CA-2A-13-C1-00-00-00-00-00-00-00-00-00-00-00-00  
          UP RUNNING NOARP  MTU:2048  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:8 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:2 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:100 (100.0 B)  TX bytes:100 (100.0 B)

usbd0     Link encap:Ethernet  HWaddr 40:00:01:00:00:01  
          inet addr:192.168.129.201  Bcast:192.168.129.255  Mask:255.255.255.0
          inet6 addr: fe80::4200:1ff:fe00:1/10 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100 
          RX bytes:0 (0.0 B)  TX bytes:78 (78.0 B)

wifi0     Link encap:UNSPEC  HWaddr 00-0F-3D-58-79-35-00-00-00-00-00-00-00-00-00-00  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:466 errors:0 dropped:0 overruns:0 frame:0
          TX packets:350 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:100 
          RX bytes:61692 (60.2 KiB)  TX bytes:69347 (67.7 KiB)
          Interrupt:35 

wlan0     Link encap:Ethernet  HWaddr 00:0F:3D:58:79:35  
          inet addr:192.168.1.32  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::20f:3dff:fe58:7935/10 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:466 errors:0 dropped:0 overruns:0 frame:0
          TX packets:350 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:54076 (52.8 KiB)  TX bytes:69347 (67.7 KiB)
          Interrupt:35