package avahi-daemon 0.6.32-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Johannes Christenson]

After upgrading to 16.10 unity seems to crash completely I have no window border and no menu bar and no launcher.

ProblemType: Package
DistroRelease: Ubuntu 16.10
Package: avahi-daemon 0.6.32-1ubuntu1
ProcVersionSignature: Ubuntu 4.8.0-22.24-generic 4.8.0
Uname: Linux 4.8.0-22-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.3-0ubuntu8
Architecture: amd64
Date: Thu Oct 13 22:40:10 2016
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-06-22 (844 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
RelatedPackageVersions:
 dpkg 1.18.10ubuntu1
 apt 1.3.1
SourcePackage: avahi
Title: package avahi-daemon 0.6.32-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.avahi.avahi-daemon.conf: 2016-10-13T22:52:08.066609

[Launchpad Janitor (janitor)]

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