Comment 86 for bug 1711407

Thanks for the ping, Dan. No worries. Looking forward to it as this issue
seems to be biting us more frequently nowadays so really interested to see
if this kernel helps.

On Sat, May 19, 2018 at 7:19 AM, Dan Streetman <email address hidden>
wrote:

> > Would you be able to build a test kernel against this version?
>
> very sorry, i've been quite busy the last couple weeks. I'll get a test
> kernel built for you next week.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1711407
>
> Title:
> unregister_netdevice: waiting for lo to become free
>
> Status in linux package in Ubuntu:
> In Progress
> Status in linux source package in Trusty:
> In Progress
> Status in linux source package in Xenial:
> In Progress
> Status in linux source package in Zesty:
> Won't Fix
> Status in linux source package in Artful:
> In Progress
> Status in linux source package in Bionic:
> In Progress
>
> Bug description:
> This is a "continuation" of bug 1403152, as that bug has been marked
> "fix released" and recent reports of failure may (or may not) be a new
> bug. Any further reports of the problem should please be reported
> here instead of that bug.
>
> --
>
> [Impact]
>
> When shutting down and starting containers the container network
> namespace may experience a dst reference counting leak which results
> in this message repeated in the logs:
>
> unregister_netdevice: waiting for lo to become free. Usage count =
> 1
>
> This can cause issues when trying to create net network namespace and
> thus block a user from creating new containers.
>
> [Test Case]
>
> See comment 16, reproducer provided at https://github.com/fho/docker-
> samba-loop
>
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