I upgraded from Vivid => Wily => Xenial. I had switched back to upstart-sysv on Vivid but I noticed that the upgrade software reinstalls the ubuntu-standard package (and therefore systemd-sysv) on upgrade to a new release, so I had re-installed upstart-sysv after each upgrade.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/1579978 Title: upgrade to 1:7.2p2-4ubuntu1 fails on ubuntu server Status in openssh package in Ubuntu: New Bug description: This package upgrade failure has occurred on multiple machines, with the same error on each machine. All affected machines are running Upstart (upstart-sysv) as /sbin/init. The package installed/updated successfully on a machine running Systemd (systemd-sysv) as /sbin/init. $ sudo apt full-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages were automatically installed and are no longer required: linux-image-4.2.0-35-generic linux-image-extra-4.2.0-35-generic Use 'sudo apt autoremove' to remove them. 0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade. 1 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Do you want to continue? [Y/n] Setting up openssh-server (1:7.2p2-4ubuntu1) ... start: Job failed to start invoke-rc.d: initscript ssh, action "restart" failed. dpkg: error processing package openssh-server (--configure): subprocess installed post-installation script returned error exit status 1 Errors were encountered while processing: openssh-server E: Sub-process /usr/bin/dpkg returned an error code (1) ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: openssh-server 1:7.2p2-4ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8 Uname: Linux 4.4.0-22-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 Date: Tue May 10 11:51:58 2016 InstallationDate: Installed on 2015-09-04 (249 days ago) InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Release amd64 (20150422) SourcePackage: openssh UpgradeStatus: Upgraded to xenial on 2016-05-04 (5 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1579978/+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