Bug#966612: systemd-networkd failed to restart on upgrade to 246-1

[Ansgar]

On Fri, 2020-07-31 at 15:40 +0200, Michael Biebl wrote:
> thanks for testing the v246 package from experimental.

Thanks for providing an update to Debian only ~1 hour after the
upstream release :-)

> > > Jul 31 14:30:06 systemd[1]: Unknown serialization item 'show-status=no', ignoring.
> 
> Interesting, I've not seen this one before. Might be worth investigating
> separately what this is about if it's reproducible.

Probably not worth worrying about if there are no problems.  Might be
some option that was removed, but included in the old serialized state
that systemd writes/reads on reexec.

> > > Jul 31 14:30:07 systemd[1]: cgroup compatibility translation between legacy and unified hierarchy settings activated. See cgroup->
> > > Jul 31 14:30:07 systemd[1]: Stopping Network Service...
> > > Jul 31 14:30:07 systemd[1]: systemd-networkd.service: Succeeded.
> > > Jul 31 14:30:07 systemd[1]: Stopped Network Service.
> > > Jul 31 14:30:07 systemd[1]: Starting Network Service...
> > > Jul 31 14:30:07 systemd-networkd[171450]: Could not enumerate links: Exchange full
> 
> Hm, this appears to be https://github.com/systemd/systemd/issues/16319
> 
> I appears the offending two commits were (unfortunately) cherry-picked
> into v245.6 and fixed in v246. Since this is supposedly a transient
> issue and upgrades from buster should not be affected, I'm inclined to
> close this bug report. WDYT?

Fine with me if it only affects upgrades from testing and also
considering that -networkd isn't enabled by default.

Ansgar