Bug#1009351: systemd: Static IP addressing (from config) in LXC containers not working anymore

[Michael Biebl]

Control: tags -1 + unreproducible

Am 12.04.22 um 11:26 schrieb Michael Biebl:
> Control: severity -1 important
> 
> Am 12.04.22 um 09:15 schrieb Claudio Kuenzler:
>> Package: systemd
>> Version: 247.3-7
>> Severity: critical
>> Justification: breaks the whole system
>>
>> Dear Maintainer,
>>
>> After having created a new LXC container (using lxc-create) using the
>> lxc-download template and using Debian Bullseye, the static IP
>> addressing using the container's config file
>> (/var/lib/lxc/container/config) is not working anymore.
>>
>> This was the first Bullseye LXC I created since the 11.3 release. Older
>> Bullseye releases worked without a problem.
>>
>> This _could_ be caused by the following mentioned change in the systemd
>> package:
>>
>> "fix a regression when using systemd-networkd in an unprivileged LXD
>> container"
> 
> Can you verify if reverting the patch helps?
> 
> 
>> A workaround is to start the containenr in foreground (-F), disable the
>> systemd-networkd service and then reboot the container. The static IP
>> from the container's config is now working again.
>>
>> To reproduce:
>>
>> 1. Create the container
>>
>> lxc-create -n bullseye -t download -- -d debian -r bullseye -a amd64
>>
>> 2. Adjust config, add static IP in networking
>>
>> root at host:~# cat /var/lib/lxc/bullseye/config | grep net
>> lxc.net.0.type = veth
>> lxc.net.0.flags = up
>> lxc.net.0.link = virbr1
>> lxc.net.0.veth.pair = bullseye
>> lxc.net.0.ipv4.address = 192.168.1.111/24
>> lxc.net.0.ipv4.gateway = 192.168.1.1
>>


Hm, works fine here, i.e. I can't reproduce your problem.
I'm running LXC on a Debian sid host though.
Maybe it's something related to your LXC configuration/installation?
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