package systemd-sysv 229-4ubuntu4 failed to install/upgrade: pre-dependency problem - not installing systemd-sysv

[Gary Nelson]

Upgrading from 15.10 to 16.04, using the Software Updater.

~$ lsb_release -rd
Description: Ubuntu 16.04 LTS
Release: 16.04

$ apt-cache policy systemd-sysv
systemd-sysv:
  Installed: 229-4ubuntu4
  Candidate: 229-4ubuntu4
  Version table:
 *** 229-4ubuntu4 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

I expected the upgrade to complete without errors.

I received errors.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: systemd-sysv 229-4ubuntu4
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: Sat May 7 08:40:54 2016
ErrorMessage: pre-dependency problem - not installing systemd-sysv
InstallationDate: Installed on 2015-07-16 (295 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1
 apt 1.2.10ubuntu1
SourcePackage: systemd
Title: package systemd-sysv 229-4ubuntu4 failed to install/upgrade: pre-dependency problem - not installing systemd-sysv
UpgradeStatus: Upgraded to xenial on 2016-05-07 (0 days ago)