update-manager crashed with aptdaemon.errors.AptDaemonError in _convert_dbus_exception(): org.debian.apt: Could not cancel transaction.

[Jean-Do Veuve]

"A dependency job for snpd.apparmor.service faild. See 'journalctl -xe'

jui 07 13:48:22 jdv-Ubu-Alpha NetworkManager[503]: <info> [1530964102.3133] dhc
jui 07 13:48:22 jdv-Ubu-Alpha dbus-daemon[463]: [system] Activating via systemd:
jui 07 13:48:22 jdv-Ubu-Alpha dhclient[600]: bound to 10.0.2.15 -- renewal in 38
jui 07 13:48:22 jdv-Ubu-Alpha systemd[1]: Starting Network Manager Script Dispat
-- Subject: L'unité (unit) NetworkManager-dispatcher.service a commencé à démarr
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- L'unité (unit) NetworkManager-dispatcher.service a commencé à démarrer.
jui 07 13:48:22 jdv-Ubu-Alpha dbus-daemon[463]: [system] Successfully activated
jui 07 13:48:22 jdv-Ubu-Alpha systemd[1]: Started Network Manager Script Dispatc
-- Subject: L'unité (unit) NetworkManager-dispatcher.service a terminé son démar
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- L'unité (unit) NetworkManager-dispatcher.service a terminé son démarrage, ave
jui 07 13:48:22 jdv-Ubu-Alpha nm-dispatcher[27915]: req:1 'dhcp4-change' [enp0s3
jui 07 13:48:22 jdv-Ubu-Alpha nm-dispatcher[27915]: req:1 'dhcp4-change' [enp0s3
jui 07 13:48:34 jdv-Ubu-Alpha AptDaemon.Trans[21231]: INFO: Cancelling transacti
jui 07 13:48:34 jdv-Ubu-Alpha org.debian.apt[463]: 13:48:34 AptDaemon.Trans [INF
jui 07 13:48:35 jdv-Ubu-Alpha AptDaemon.Trans[21231]: INFO: Cancelling transacti
jui 07 13:48:35 jdv-Ubu-Alpha org.debian.apt[463]: 13:48:35 AptDaemon.Trans [INF
 for details

----------------------------------
Ubuntu 18.10 Daily

ProblemType: Crash
DistroRelease: Ubuntu 18.10
Package: update-manager 1:18.10.3
ProcVersionSignature: Ubuntu 4.15.0-23.25-generic 4.15.18
Uname: Linux 4.15.0-23-generic x86_64
ApportVersion: 2.20.10-0ubuntu5
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Sat Jul 7 12:16:47 2018
ExecutablePath: /usr/bin/update-manager
GsettingsChanges:
 b'com.ubuntu.update-manager' b'show-details' b'true'
 b'com.ubuntu.update-manager' b'first-run' b'false'
 b'com.ubuntu.update-manager' b'window-width' b'645'
 b'com.ubuntu.update-manager' b'launch-time' b'int64 1530955321'
InstallationDate: Installed on 2018-07-07 (0 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180630)
InterpreterPath: /usr/bin/python3.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/bin/update-manager
ProcEnviron:
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_BE.UTF-8
 SHELL=/bin/bash
Python3Details: /usr/bin/python3.6, Python 3.6.6, python3-minimal, 3.6.6-1
PythonArgs: ['/usr/bin/update-manager']
PythonDetails: N/A
SourcePackage: update-manager
Title: update-manager crashed with aptdaemon.errors.AptDaemonError in _convert_dbus_exception(): org.debian.apt: Could not cancel transaction
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[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 #1209219, 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.