sudo journalctl -u libvirt-bin:
-- Logs begin at Tue 2016-01-12 18:37:59 CET, end at Tue 2016-01-12 18:41:33 CET. --
Jan 12 18:38:19 localhost systemd[1]: Starting Virtualization daemon...
Jan 12 18:38:27 localhost libvirtd[775]: /usr/sbin/libvirtd: initialization failed
Jan 12 18:38:27 localhost systemd[1]: libvirt-bin.service: Main process exited, code=exited, status=1/FAILURE
Jan 12 18:38:27 localhost systemd[1]: Failed to start Virtualization daemon.
Jan 12 18:38:27 localhost systemd[1]: libvirt-bin.service: Unit entered failed state.
Jan 12 18:38:27 localhost systemd[1]: libvirt-bin.service: Failed with result 'exit-code'.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Service hold-off time over, scheduling restart.
Jan 12 18:38:28 localhost systemd[1]: Stopped Virtualization daemon.
Jan 12 18:38:28 localhost systemd[1]: Starting Virtualization daemon...
Jan 12 18:38:28 localhost libvirtd[871]: /usr/sbin/libvirtd: initialization failed
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Main process exited, code=exited, status=1/FAILURE
Jan 12 18:38:28 localhost systemd[1]: Failed to start Virtualization daemon.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Unit entered failed state.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Failed with result 'exit-code'.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Service hold-off time over, scheduling restart.
Jan 12 18:38:28 localhost systemd[1]: Stopped Virtualization daemon.
Jan 12 18:38:28 localhost systemd[1]: Starting Virtualization daemon...
Jan 12 18:38:28 localhost libvirtd[873]: /usr/sbin/libvirtd: initialization failed
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Main process exited, code=exited, status=1/FAILURE
Jan 12 18:38:28 localhost systemd[1]: Failed to start Virtualization daemon.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Unit entered failed state.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Failed with result 'exit-code'.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Service hold-off time over, scheduling restart.
Jan 12 18:38:28 localhost systemd[1]: Stopped Virtualization daemon.
Jan 12 18:38:28 localhost systemd[1]: Starting Virtualization daemon...
Jan 12 18:38:28 localhost libvirtd[875]: /usr/sbin/libvirtd: initialization failed
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Main process exited, code=exited, status=1/FAILURE
Jan 12 18:38:28 localhost systemd[1]: Failed to start Virtualization daemon.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Unit entered failed state.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Failed with result 'exit-code'.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Service hold-off time over, scheduling restart.
Jan 12 18:38:28 localhost systemd[1]: Stopped Virtualization daemon.
Jan 12 18:38:28 localhost systemd[1]: Starting Virtualization daemon...
Jan 12 18:38:28 localhost libvirtd[877]: /usr/sbin/libvirtd: initialization failed
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Main process exited, code=exited, status=1/FAILURE
Jan 12 18:38:28 localhost systemd[1]: Failed to start Virtualization daemon.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Unit entered failed state.
Jan 12 18:38:28 localhost systemd[1]: libvirt-bin.service: Failed with result 'exit-code'.
Jan 12 18:38:29 localhost systemd[1]: libvirt-bin.service: Service hold-off time over, scheduling restart.
Jan 12 18:38:29 localhost systemd[1]: Stopped Virtualization daemon.
Jan 12 18:38:29 localhost systemd[1]: libvirt-bin.service: Start request repeated too quickly.
Jan 12 18:38:29 localhost systemd[1]: Failed to start Virtualization daemon.
Jan 12 18:38:29 localhost systemd[1]: libvirt-bin.service: Unit entered failed state.
Jan 12 18:38:29 localhost systemd[1]: libvirt-bin.service: Failed with result 'start-limit'.

sudo strace -f /usr/sbin/libvirtd -v
In attachment