[Bug 1728365] Re: package systemd-sysv 232-21ubuntu7.1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 2

[era]

DpkgTerminalLog.txt contains this snippet near the end:

dpkg: considering removing systemd-shim in favour of systemd-sysv ...
dpkg: systemd-shim is not properly installed; ignoring any dependencies on it
dpkg: yes, will remove systemd-shim in favour of systemd-sysv
Preparing to unpack .../systemd-sysv_232-21ubuntu7.1_amd64.deb ...
Unpacking systemd-sysv (232-21ubuntu7.1) over (229-4ubuntu20) ...
Removing 'diversion of /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service to /usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.systemd by systemd-shim'
dpkg-divert: error: rename involves overwriting '/usr/share/dbus-1/system-services/org.freedesktop.systemd1.service' with
  different file '/usr/share/dbus-1/system-services/org.freedesktop.systemd1.service.systemd', not allowed
dpkg: error processing archive /var/cache/apt/archives/systemd-sysv_232-21ubuntu7.1_amd64.deb (--unpack):
 subprocess installed post-removal script returned error exit status 2

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https://bugs.launchpad.net/bugs/1728365

Title:
  package systemd-sysv 232-21ubuntu7.1 failed to install/upgrade:
  subprocess installed post-removal script returned error exit status 2

Status in systemd package in Ubuntu:
  Confirmed

Bug description:
  I have this bug

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: systemd-sysv 232-21ubuntu7.1
  ProcVersionSignature: Ubuntu 4.4.0-98.121-generic 4.4.90
  Uname: Linux 4.4.0-98-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  Date: Sun Oct 29 15:33:20 2017
  ErrorMessage: subprocess installed post-removal script returned error exit status 2
  InstallationDate: Installed on 2015-05-22 (891 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
  RelatedPackageVersions:
   dpkg 1.18.10ubuntu2
   apt  1.2.25
  SourcePackage: systemd
  Title: package systemd-sysv 232-21ubuntu7.1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 2
  UpgradeStatus: No upgrade log present (probably fresh install)

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