systemd crashed with SIGABRT

[Claudio]

system reported an error pop up with systemd

seems t have cause update manager to hang

lsb_release -rd

root@thinker:~# lsb_release -rd
Description: Ubuntu Xenial Xerus (development branch)
Release: 16.04

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: systemd 229-2ubuntu1 [modified: usr/share/dbus-1/system-services/org.freedesktop.systemd1.service]
ProcVersionSignature: Ubuntu 4.4.0-12.28-generic 4.4.4
Uname: Linux 4.4.0-12-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Wed Mar 16 18:30:27 2016
ExecutablePath: /lib/systemd/systemd
InstallationDate: Installed on 2014-10-02 (531 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
Lsusb:
 Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 2537BU1
ProcCmdline: /lib/systemd/systemd --user
ProcEnviron:
 LANG=en_GB.UTF-8
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-12-generic root=UUID=e8c66712-ce50-4a28-9f46-e32ba6603884 ro quiet splash vt.handoff=7
Signal: 6
SourcePackage: systemd
StacktraceTop:
 ?? ()
 ?? ()
 ?? ()
 ?? ()
 ?? ()
SystemdDelta:
 [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf
 [EXTENDED] /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.conf
 [EXTENDED] /etc/systemd/system/display-manager.service → /lib/systemd/system/display-manager.service.d/xdiagnose.conf

 3 overridden configuration files found.
SystemdFailedUnits: Error: command ['systemctl', 'status', '--full', 'Error:'] failed with exit code 1: Failed to get properties: Failed to activate service 'org.freedesktop.systemd1': timed out
Title: systemd crashed with SIGABRT
UpgradeStatus: Upgraded to xenial on 2016-03-13 (3 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 05/14/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET60WW (1.20 )
dmi.board.name: 2537BU1
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: BB70336255
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr6IET60WW(1.20):bd05/14/2010:svnLENOVO:pn2537BU1:pvrThinkPadT410:rvnLENOVO:rn2537BU1:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2537BU1
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1547851, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.