package udev 229-4ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Manoj Chokka]

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ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: udev 229-4ubuntu7
ProcVersionSignature: Ubuntu 4.2.0-41.48-generic 4.2.8-ckt11
Uname: Linux 4.2.0-41-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
Date: Sat Jul 16 02:20:19 2016
DuplicateSignature: package:udev:229-4ubuntu7:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2016-06-06 (39 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-41-generic root=UUID=e7176439-e1f3-46d5-a1f6-af93ef66bb6c ro quiet splash vt.handoff=7
RelatedPackageVersions:
 dpkg 1.18.2ubuntu5.1
 apt 1.0.10.2ubuntu3
SourcePackage: systemd
Title: package udev 229-4ubuntu7 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: Upgraded to xenial on 2016-07-15 (0 days ago)
dmi.bios.date: 02/08/2006
dmi.bios.vendor: Intel Corp.
dmi.bios.version: NT94510J.86A.3528.2006.0208.1102
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: D945GNT
dmi.board.vendor: Intel Corporation
dmi.board.version: AAC96315-405
dmi.chassis.type: 2
dmi.modalias: dmi:bvnIntelCorp.:bvrNT94510J.86A.3528.2006.0208.1102:bd02/08/2006:svn:pn:pvr:rvnIntelCorporation:rnD945GNT:rvrAAC96315-405:cvn:ct2:cvr:

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[era (era)]

DpkgTerminalLog.txt contains this:

> addgroup: The group `systemd-journal' already exists as a system group. Exiting.

This appears to be a duplicate of LP#1570310.