package dpkg 1.19.0.5ubuntu2 failed to install/upgrade: pre-dependency problem - not installing dpkg

[ereli]

Description: Ubuntu 18.04.1 LTS
Release: 18.04

apt-cache policy dpkg 1.19.0.5ubuntu2
dpkg:
  Installed: 1.19.0.5ubuntu2
  Candidate: 1.19.0.5ubuntu2
  Version table:
 *** 1.19.0.5ubuntu2 500
        500 http://us.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status
N: Unable to locate package 1.19.0.5ubuntu2
N: Couldn't find any package by glob '1.19.0.5ubuntu2'
N: Couldn't find any package by regex '1.19.0.5ubuntu2'

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Following a successful upgrade, the system is reporting the following issue.

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: dpkg 1.19.0.5ubuntu2
ProcVersionSignature: Ubuntu 4.15.0-36.39-generic 4.15.18
Uname: Linux 4.15.0-36-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
Date: Sat Oct 20 11:09:44 2018
ErrorMessage: pre-dependency problem - not installing dpkg
InstallationDate: Installed on 2017-11-23 (331 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.5-3ubuntu1
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.3ubuntu0.1
SourcePackage: dpkg
Title: package dpkg 1.19.0.5ubuntu2 failed to install/upgrade: pre-dependency problem - not installing dpkg
UpgradeStatus: Upgraded to bionic on 2018-10-20 (0 days ago)