package systemd 225-1ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[TJ]

Wasn't aware of this; apport found it after a reboot

ProblemType: Package
DistroRelease: Ubuntu 15.10
Package: systemd 225-1ubuntu1
ProcVersionSignature: Ubuntu 4.2.0-7.7-lowlatency 4.2.0
Uname: Linux 4.2.0-7-lowlatency x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.18-0ubuntu9
AptOrdering:
 screen: Install
 screen: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Thu Sep 3 15:03:51 2015
DuplicateSignature: package:systemd:225-1ubuntu1:subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
MachineType: Dell Inc. XPS M1530
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-7-lowlatency root=/dev/mapper/VG_OS-ubuntu_15.10_rootfs ro pci=use_crs nomdmonddf nomdmonisw
RelatedPackageVersions:
 dpkg 1.18.2ubuntu3
 apt 1.0.9.10ubuntu6
SourcePackage: systemd
Title: package systemd 225-1ubuntu1 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: No upgrade log present (probably fresh install)
dmi.bios.date: 11/19/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A12
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA12:bd11/19/2008:svnDellInc.:pnXPSM1530:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: XPS M1530
dmi.sys.vendor: Dell Inc.