systemd crashed with SIGABRT

[tadeusz cantwell]

The last started action was running unetbootin.

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: systemd 229-3ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
Uname: Linux 4.4.0-15-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
Date: Tue Mar 29 18:22:13 2016
EcryptfsInUse: Yes
ExecutablePath: /lib/systemd/systemd
InstallationDate: Installed on 2016-02-02 (56 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160126)
Lsusb:
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
 Bus 001 Device 003: ID 046d:c31c Logitech, Inc. Keyboard K120
 Bus 001 Device 002: ID 1532:001c Razer USA, Ltd RZ01-0036 Optical Gaming Mouse [Abyssus]
 Bus 001 Device 006: ID 046d:082d Logitech, Inc. HD Pro Webcam C920
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcCmdline: /lib/systemd/systemd --user
ProcEnviron:
 LANG=en_IE.UTF-8
 LANGUAGE=en_IE:en
 PATH=(custom, no user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic root=UUID=619d6ee9-475a-42ed-9ea3-e46bf1b18748 ro quiet splash
Signal: 6
SourcePackage: systemd
StacktraceTop:
 ?? ()
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 ?? ()
 ?? ()
 ?? ()
SystemdDelta:
 [EXTENDED] /lib/systemd/system/rc-local.service → /lib/systemd/system/rc-local.service.d/debian.conf
 [EXTENDED] /etc/systemd/system/display-manager.service → /lib/systemd/system/display-manager.service.d/xdiagnose.conf
 [EXTENDED] /lib/systemd/system/systemd-timesyncd.service → /lib/systemd/system/systemd-timesyncd.service.d/disable-with-time-daemon.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: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip disk lpadmin plugdev sambashare sudo
dmi.bios.date: 08/13/2015
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.40
dmi.board.name: Z170M Pro4S
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.40:bd08/13/2015:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnZ170MPro4S:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.

[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.