Kernel 2.6.32
gotchas: it was eth1

0b:00.0 Ethernet controller: Atheros Communications AR8131 Gigabit Ethernet (rev c0)
        Subsystem: Toshiba America Info Systems Device ff50
        Flags: bus master, fast devsel, latency 0, IRQ 35
        Memory at f0400000 (64-bit, non-prefetchable) [size=256K]
        I/O ports at 5000 [size=128]
        Capabilities: [40] Power Management version 3
        Capabilities: [48] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+
        Capabilities: [58] Express Endpoint, MSI 00
        Capabilities: [6c] Vital Product Data <?>
        Capabilities: [100] Advanced Error Reporting <?>
        Capabilities: [180] Device Serial Number ff-a9-0a-c8-ef-88-6b-ff
        Kernel driver in use: atl1c
        Kernel modules: atl1c


lokomotiva:/# cat /etc/network/interfaces
# Used by ifup(8) and ifdown(8). See the interfaces(5) manpage or
# /usr/share/doc/ifupdown/examples for more information.

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth1
iface eth1 inet dhcp