package lxd 3.0.3-0ubuntu1~18.04.1 failed to install/upgrade: »installiertes lxd-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück

[.]

was doing from ubuntu 16.*
with do-distribution-upgrade

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: lxd 3.0.3-0ubuntu1~18.04.1
ProcVersionSignature: Ubuntu 4.4.0-206.238-generic 4.4.254
Uname: Linux 4.4.0-206-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.23
Architecture: amd64
Date: Sun Mar 21 13:08:35 2021
ErrorMessage: »installiertes lxd-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück
InstallationDate: Installed on 2016-07-21 (1703 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
Python3Details: /usr/bin/python3.6, Python 3.6.9, python3-minimal, 3.6.7-1~18.04
PythonDetails: /usr/bin/python2.7, Python 2.7.17, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2.3
 apt 1.6.12ubuntu0.2
SourcePackage: lxd
Title: package lxd 3.0.3-0ubuntu1~18.04.1 failed to install/upgrade: »installiertes lxd-Skript des Paketes post-installation«-Unterprozess gab den Fehlerwert 1 zurück
UpgradeStatus: Upgraded to bionic on 2021-03-21 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Stéphane Graber (stgraber)]

The issue with this one is translation handling in the old version of LXD.
The migration script has since been changed to force LANG=C.UTF-8 to avoid such issues.