On Thu, 2018-04-12 at 18:45:48 +0200, Dirk Heinrichs wrote: > Am 12.04.2018 um 14:16 schrieb Guillem Jover: > > Do you perhaps have something like unattended-ugrades or something > > similar enabled on all those hosts? > > No, I don't. That's one of the packages I uninstall immediately ;-)
Then I'm afraid I'm a bit at a loss here. Could you check your dpkg.log files and compare times with when those errors occurred on those hosts, to try to see whether there was some dpkg invoked at the same time? Thanks, Guillem