Well Launchpad kept timing out when I tried to edit the description so here's the SRU info.
[Impact] avahi-dnsconfd fails to upgrade causing lots of bug reports. [Test Case] 1) sudo apt install avahi-daemon=0.6.32~rc+dfsg-1ubuntu2 avahi-dnsconfd=0.6.32~rc+dfsg-1ubuntu2 avahi-utils=0.6.32~rc+dfsg-1ubuntu2 2) in a separate terminal run 'while true; do avahi-browse -a -t; done 3) sudo apt upgrade avahi-daemon avahi-dnsconfd avahi-utils With the version of the package from -proposed you should not receive a crash report and should see the following instead: Preparing to unpack avahi-dnsconfd_0.6.32~rc+dfsg-1ubuntu3_amd64.deb ... Job for avahi-daemon.socket canceled. dpkg: warning: subprocess old pre-removal script returned error exit status 1 dpkg: trying script from the new package instead ... dpkg: ... it looks like that went OK [Regression Potential] This has been in bionic for a while with no regressions. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to avahi in Ubuntu. https://bugs.launchpad.net/bugs/1760128 Title: package avahi-dnsconfd 0.6.32~rc+dfsg-1ubuntu2 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1 Status in avahi package in Ubuntu: Fix Released Status in avahi source package in Xenial: In Progress Bug description: Ubuntu Update 30.03.18 ProblemType: Package DistroRelease: Ubuntu 16.04 Package: avahi-dnsconfd 0.6.32~rc+dfsg-1ubuntu2 ProcVersionSignature: Ubuntu 4.4.0-116.140-generic 4.4.98 Uname: Linux 4.4.0-116-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 Date: Fri Mar 30 16:32:50 2018 ErrorMessage: subprocess new pre-removal script returned error exit status 1 InstallationDate: Installed on 2016-01-31 (788 days ago) InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160131) RelatedPackageVersions: dpkg 1.18.4ubuntu1.4 apt 1.2.26 SourcePackage: avahi Title: package avahi-dnsconfd 0.6.32~rc+dfsg-1ubuntu2 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1760128/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : email@example.com Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp