package openvswitch-switch 2.5.2-0ubuntu0.16.04.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[LiuGuanwei]

package openvswitch-switch 2.5.2-0ubuntu0.16.04.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: openvswitch-switch 2.5.2-0ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.10.0-42.46~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-42-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.13
Architecture: amd64
Date: Wed May 30 09:53:03 2018
DpkgHistoryLog:
 Start-Date: 2018-05-30 09:52:59
 Commandline: aptdaemon role='role-install-file' sender=':1.90'
 Install: fcitx-libs:amd64 (1:4.2.9.1-1ubuntu1.16.04.2, automatic), libopencc1:amd64 (0.4.3-2build1, automatic)
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2017-07-01 (333 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: openvswitch
Title: package openvswitch-switch 2.5.2-0ubuntu0.16.04.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)

[James Page (james-page)]

I can't see from the provided logs why the openvswitch systemd units failed to start - the output from:

   sudo systemctl status openvswitch*

might give a bit more of a clue as to what went wrong.

[Launchpad Janitor (janitor)]

[Expired for openvswitch (Ubuntu) because there has been no activity for 60 days.]