[lxc-users] LXD No Longer Starting After 15.10 Upgrade

St├ęphane Graber stgraber at ubuntu.com
Wed Oct 28 17:13:59 UTC 2015

On Wed, Oct 28, 2015 at 08:54:45AM -0700, B G wrote:
> Hi there,
> I have been auditing LXD for a week or so for an upcoming development
> project and have put a reasonable amount of time into one of the containers
> containing Neo4j and a number graph processing algorithms.
> After upgrading to 15.10 I can no longer start my containers.  I have tried
> purging the repositories and re-installing and even attempted to install
> the daily build as my suspicion is that it is a version mismatch somewhere
> during the upgrade.
> When i try and start a container it fails with:
> [image: Inline image 1]
> When I open up the log here is the result:
> [image: Inline image 2]
> One other related thing is that I had previously attempted to create a
> privliged container and mount a host directory to avoid the user mapping...
> $ lxc config profile create privileged
> Profile privileged created
> $ lxc config profile set privileged security.privileged true
> $ lxc launch lxc:ubuntu/vivid/amd64 spark
> Creating container...done
> Starting container...done
> I have since deleted this profile... and it didn't seem to correctly mount
> the directory anyway.
> Any help would be appreciated as I would prefer not to rebuild this machine
> and have a limited time to make the technology choice.
> Thank you.


The error seems to indicate that you're missing the lxcbr0 bridge on
your system, is that correct?

If so, you may want to try restarting the lxc-net service or even reboot
the host which should restore the bridge to working order.

St├ęphane Graber
Ubuntu developer
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