Update. I don't know if this information can be useful...
$sudo ifconfig
eth0 Link encap:Ethernet HWaddr a8:20:66:47:6e:e4
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:730001 errors:0 dropped:0 overruns:0 frame:0
TX packets:459965 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:957109649 (957.1 MB) TX bytes:68946535 (68.9 MB)
Interrupt:16
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:170 errors:0 dropped:0 overruns:0 frame:0
TX packets:170 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:15953 (15.9 KB) TX bytes:15953 (15.9 KB)
