[Mageia-dev] network interface renaming not working anymore

[Colin Guthrie]

'Twas brillig, and Christiaan Welvaart at 16/08/12 20:30 did gyre and
gimble:
> hi,
> 
> When I finally rebooted a cauldron system that acts as a router, it
> turned out the network interfaces eth0 and eth1 were switched, exposing
> "internal" services to the outside world and leaving me without internet
> access. Syslog contains:
> Aug 15 22:48:29 zem systemd-udevd[404]: error changing net interface
> name eth0 to eth1: File exists
> Aug 15 22:48:29 zem systemd-udevd[404]: error changing net interface
> name eth1 to eth0: File exists
> 
> Of course this has worked for years, so it breaking is not something
> anyone would expect. It also seems to be unneeded. After some looking
> around I could (temporarily) fix it quite easily by adding:
>         ifrename -i eth0 -n rename0
>         ifrename -i eth1 -n rename1
>         ifrename -i rename0
>         ifrename -i rename1
> to /etc/init.d/network and describing the mapping in /etc/iftab . So now
> I have two questions:
> - Has anyone else seen this?
> - What change is causing this: kernel, udev/systemd, or something else?
> 
> The network devices use the same driver so there is no other way to
> distinguish them than by MAC address or PCI ID.

Yeah this is no longer supported upstream as it was apparently very
hacky. Last time I asked Kay about it, there was something else to
replace it but I've not followed up what that is recently. I'll ask him
again next time we're chatting.

Cheers

Col


-- 

Colin Guthrie
colin(at)mageia.org
http://colin.guthr.ie/

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