Re: renamed network interface eth0 to eth1

[Chance Platt <chance@sdf.lonestar.org>]

On Wed, 2010-09-22 at 16:11 -0500, Hugo Vanwoerkom wrote:

> hugo@debian:~$ dmesg | grep -i eth
> [    1.181349] 8139cp: 10/100 PCI Ethernet driver v1.3 (Mar 22, 2004)
> [    1.229553] 8139too Fast Ethernet driver 0.9.28
> [    1.231041] eth0: RealTek RTL8139 at 0x3000, 00:0a:e4:eb:04:59, IRQ 20
> [    9.727658] udev: renamed network interface eth0 to eth1
> [   21.532930] eth1: link up, 100Mbps, full-duplex, lpa 0x45E1
> [   32.464023] eth1: no IPv6 routers present
> 
> Why would udev rename the interface?

I've experienced this happening when the kernel for whatever reason
reports to udev different identifiers for the network card.  This can be
from using a different kernel, a kernel that is changing the interface's
MAC address for some reason, etc.

Check /etc/udev/rules.d/70-persistent-net.rules

Chance