package login 1:4.2-3.1ubuntu5.3 failed to install/upgrade: package login is already installed and configured

Possibly an unattended upgrade. No obvious ill effects.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: login 1:4.2-3.1ubuntu5.3
ProcVersionSignature: Ubuntu 4.4.0-78.99-generic 4.4.62
Uname: Linux 4.4.0-78-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CrashReports:
 640:0:116:482150:2017-05-16 23:56:08.153462409 +0100:2017-05-16 23:56:09.153462409 +0100:/var/crash/_usr_lib_snapd-glib_snapd-login-service.0.crash
 644:0:116:0:2017-05-16 23:56:16.921227634 +0100:2017-05-16 23:56:16.921227634 +0100:/var/crash/_usr_lib_snapd-glib_snapd-login-service.0.upload
 600:109:116:0:2017-05-16 23:56:17.529209263 +0100:2017-05-16 23:56:17.529209263 +0100:/var/crash/_usr_lib_snapd-glib_snapd-login-service.0.uploaded
 600:0:116:322023:2017-05-18 00:28:26.608280658 +0100:2017-05-18 00:28:27.608280658 +0100:/var/crash/login.0.crash
 640:0:116:106022618:2017-05-19 10:03:45.464053766 +0100:2017-05-19 10:02:36.086184524 +0100:/var/crash/_usr_lib_packagekit_packagekitd.0.crash
Date: Thu May 18 00:28:27 2017
DpkgTerminalLog:
 dpkg: error processing package login (--configure):
  package login is already installed and configured
ErrorMessage: package login is already installed and configured
InstallationDate: Installed on 2014-07-04 (1049 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: dpkg
Title: package login 1:4.2-3.1ubuntu5.3 failed to install/upgrade: package login is already installed and configured
UpgradeStatus: Upgraded to xenial on 2016-04-25 (389 days ago)