package libexpat1:amd64 2.2.3-1 failed to install/upgrade: package libexpat1:amd64 is already installed and configured

[Jan Oliver Jost]

Upgrading from 17.04 to 18.04

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: libexpat1:amd64 2.2.3-1
ProcVersionSignature: Ubuntu 4.15.0-26.28-generic 4.15.18
Uname: Linux 4.15.0-26-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
AptdaemonVersion: 1.1.1+bzr982-0ubuntu19
Architecture: amd64
Date: Thu Jul 12 09:57:25 2018
Dependencies:
 gcc-8-base 8-20180414-1ubuntu2
 libc6 2.27-3ubuntu1
 libgcc1 1:8-20180414-1ubuntu2
DuplicateSignature:
 package:libexpat1:amd64:2.2.3-1
 Unpacking dh-python (3.20180325ubuntu2) over (2.20170125) ...
 dpkg: error processing package libssl1.1 (--configure):
  no package named 'libssl1.1' is installed, cannot configure
ErrorMessage: package libexpat1:amd64 is already installed and configured
InstallationDate: Installed on 2018-01-25 (167 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3ubuntu1
PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.2
SourcePackage: dpkg
Title: package libexpat1:amd64 2.2.3-1 failed to install/upgrade: package libexpat1:amd64 is already installed and configured
UpgradeStatus: Upgraded to bionic on 2018-07-12 (0 days ago)