Comment 2 for bug 1786179

The Upgrade
# apt upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following NEW packages will be installed:
  libjansson4
The following packages will be upgraded:
  libvirt-clients libvirt-daemon libvirt-daemon-driver-storage-rbd libvirt-daemon-system libvirt0
5 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 3790 kB of archives.
After this operation, 1225 kB disk space will be freed.
Do you want to continue? [Y/n] Y
Get:1 http://archive.ubuntu.com/ubuntu cosmic/main amd64 libjansson4 amd64 2.11-1 [29.3 kB]
Get:2 http://ppa.launchpad.net/ci-train-ppa-service/3349/ubuntu cosmic/main amd64 libvirt-daemon-driver-storage-rbd amd64 4.6.0-1ubuntu1~ppa3 [34.3 kB]
Get:3 http://ppa.launchpad.net/ci-train-ppa-service/3349/ubuntu cosmic/main amd64 libvirt-daemon-system amd64 4.6.0-1ubuntu1~ppa3 [77.0 kB]
Get:4 http://ppa.launchpad.net/ci-train-ppa-service/3349/ubuntu cosmic/main amd64 libvirt-daemon amd64 4.6.0-1ubuntu1~ppa3 [1712 kB]
Get:5 http://ppa.launchpad.net/ci-train-ppa-service/3349/ubuntu cosmic/main amd64 libvirt-clients amd64 4.6.0-1ubuntu1~ppa3 [615 kB]
Get:6 http://ppa.launchpad.net/ci-train-ppa-service/3349/ubuntu cosmic/main amd64 libvirt0 amd64 4.6.0-1ubuntu1~ppa3 [1322 kB]
Fetched 3790 kB in 1s (3161 kB/s)
Preconfiguring packages ...
Selecting previously unselected package libjansson4:amd64.
(Reading database ... 44954 files and directories currently installed.)
Preparing to unpack .../0-libjansson4_2.11-1_amd64.deb ...
Unpacking libjansson4:amd64 (2.11-1) ...
Preparing to unpack .../1-libvirt-daemon-driver-storage-rbd_4.6.0-1ubuntu1~ppa3_amd64.deb ...
Unpacking libvirt-daemon-driver-storage-rbd (4.6.0-1ubuntu1~ppa3) over (4.0.0-1ubuntu13) ...
Preparing to unpack .../2-libvirt-daemon-system_4.6.0-1ubuntu1~ppa3_amd64.deb ...
Unpacking libvirt-daemon-system (4.6.0-1ubuntu1~ppa3) over (4.0.0-1ubuntu13) ...
Preparing to unpack .../3-libvirt-daemon_4.6.0-1ubuntu1~ppa3_amd64.deb ...
Unpacking libvirt-daemon (4.6.0-1ubuntu1~ppa3) over (4.0.0-1ubuntu13) ...
Preparing to unpack .../4-libvirt-clients_4.6.0-1ubuntu1~ppa3_amd64.deb ...
Unpacking libvirt-clients (4.6.0-1ubuntu1~ppa3) over (4.0.0-1ubuntu13) ...
Preparing to unpack .../5-libvirt0_4.6.0-1ubuntu1~ppa3_amd64.deb ...
Unpacking libvirt0:amd64 (4.6.0-1ubuntu1~ppa3) over (4.0.0-1ubuntu13) ...
Processing triggers for ureadahead (0.100.0-20) ...
Setting up libjansson4:amd64 (2.11-1) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Processing triggers for systemd (237-3ubuntu10) ...
Processing triggers for man-db (2.8.4-2) ...
Setting up libvirt0:amd64 (4.6.0-1ubuntu1~ppa3) ...
Setting up libvirt-daemon (4.6.0-1ubuntu1~ppa3) ...
Setting up libvirt-clients (4.6.0-1ubuntu1~ppa3) ...
Setting up libvirt-daemon-system (4.6.0-1ubuntu1~ppa3) ...
Installing new version of config file /etc/apparmor.d/abstractions/libvirt-qemu ...
Installing new version of config file /etc/apparmor.d/usr.sbin.libvirtd ...
Installing new version of config file /etc/default/libvirt-guests ...
Installing new version of config file /etc/libvirt/libvirtd.conf ...
Installing new version of config file /etc/libvirt/libxl.conf ...
Installing new version of config file /etc/libvirt/qemu.conf ...
Installing new version of config file /etc/libvirt/virtlockd.conf ...
Installing new version of config file /etc/libvirt/virtlogd.conf ...
Created symlink /etc/systemd/system/sockets.target.wants/virtlockd-admin.socket → /lib/systemd/system/virtlockd-admin.socket.
Created symlink /etc/systemd/system/sockets.target.wants/virtlogd-admin.socket → /lib/systemd/system/virtlogd-admin.socket.
virtlockd.service is a disabled or a static unit, not starting it.
Job for virtlogd-admin.socket failed.
See "systemctl status virtlogd-admin.socket" and "journalctl -xe" for details.
A dependency job for virtlogd.service failed. See 'journalctl -xe' for details.
invoke-rc.d: initscript virtlogd, action "start" failed.
● virtlogd.service - Virtual machine log manager
   Loaded: loaded (/lib/systemd/system/virtlogd.service; indirect; vendor preset: enabled)
   Active: active (running) since Thu 2018-08-09 05:26:07 UTC; 3h 44min ago
     Docs: man:virtlogd(8)
           https://libvirt.org
 Main PID: 4059 (virtlogd)
    Tasks: 2 (limit: 4915)
   CGroup: /system.slice/virtlogd.service
           └─4059 /usr/sbin/virtlogd

Aug 09 09:10:35 c2 systemd[1]: Reloading Virtual machine log manager.
Aug 09 09:10:35 c2 systemd[1]: Reloaded Virtual machine log manager.
Aug 09 09:10:36 c2 systemd[1]: virtlogd.service: Failed to reset devices.list: Operation not permitted
Aug 09 09:10:36 c2 systemd[1]: virtlogd.service: Failed to reset devices.list: Operation not permitted
Aug 09 09:10:36 c2 systemd[1]: virtlogd.service: Failed to reset devices.list: Operation not permitted
Aug 09 09:10:36 c2 systemd[1]: virtlogd.service: Failed to reset devices.list: Operation not permitted
Aug 09 09:10:37 c2 systemd[1]: virtlogd.service: Failed to reset devices.list: Operation not permitted
Aug 09 09:10:37 c2 systemd[1]: virtlogd.service: Failed to reset devices.list: Operation not permitted
Aug 09 09:10:37 c2 systemd[1]: Dependency failed for Virtual machine log manager.
Aug 09 09:10:37 c2 systemd[1]: virtlogd.service: Job virtlogd.service/start failed with result 'dependency'.
dpkg: error processing package libvirt-daemon-system (--configure):
 installed libvirt-daemon-system package post-installation script subprocess returned error exit status 1
Setting up libvirt-daemon-driver-storage-rbd (4.6.0-1ubuntu1~ppa3) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
Errors were encountered while processing:
 libvirt-daemon-system
E: Sub-process /usr/bin/dpkg returned an error code (1)