Questo è il mio output:

# ifconfig eth0
eth0 Link encap:Ethernet HWaddr 00:0C:6E3:71:47
inet6 addr: fe80::20c:6eff:fed3:7147/64 Scope:Link
UP BROADCAST NOTRAILERS MULTICAST MTU:1500
Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:9 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:5310 (5.1 Kb)
Interrupt:11 Base address:0xec00

tutto a posto?