Marking as Invalid because the release is EOL is not correct. Marking as Incomplete. Also, 18.04 is (at the time of writing) still in development, and you should expect some breakage. https://wiki.ubuntu.com/Bugs/Responses#Release_has_reached_End_of_Life_.28EOL.29
Reporter, is this still present on 17.10 or 16.04? ** Changed in: avahi (Ubuntu) Status: Fix Released => Incomplete -- 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/1661205 Title: avahi daemon repeatedly crashes on boot Status in avahi package in Ubuntu: Incomplete Bug description: causes "System program problem detected" to pop-up repeatedly and randomly. "Report problem..." does nothing. Used to just crash once per boot, and allow reports. ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: avahi-daemon 0.6.32-1ubuntu1 ProcVersionSignature: Ubuntu 4.8.0-34.36-generic 4.8.11 Uname: Linux 4.8.0-34-generic x86_64 ApportVersion: 2.20.3-0ubuntu8.2 Architecture: amd64 CurrentDesktop: Unity Date: Thu Feb 2 10:43:04 2017 InstallationDate: Installed on 2016-10-31 (93 days ago) InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2) SourcePackage: avahi UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/avahi/+bug/1661205/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp