[Bug 1470778] [NEW] Unattended upgrade of libvirt-bin and libvirt0 killed virtual machines

[Philipp Noack]

Public bug reported:

We have multiple servers with multiple VMs running. The error only
occured on the server with Ubuntu 14.04 LTS. All other servers have
Ubuntu 12.04 LTS.

libvirt-bin:
  Installiert:           1.2.2-0ubuntu13.1.12
  Installationskandidat: 1.2.2-0ubuntu13.1.12
  Versionstabelle:
 *** 1.2.2-0ubuntu13.1.12 0
        500 http://mirror.d9t.de/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1.2.2-0ubuntu13.1.7 0
        500 http://mirror.d9t.de/ubuntu/ trusty-security/main amd64 Packages
     1.2.2-0ubuntu13 0
        500 http://mirror.d9t.de/ubuntu/ trusty/main amd64 Packages

libvirt0:
  Installiert:           1.2.2-0ubuntu13.1.12
  Installationskandidat: 1.2.2-0ubuntu13.1.12
  Versionstabelle:
 *** 1.2.2-0ubuntu13.1.12 0
        500 http://mirror.d9t.de/ubuntu/ trusty-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     1.2.2-0ubuntu13.1.7 0
        500 http://mirror.d9t.de/ubuntu/ trusty-security/main amd64 Packages
     1.2.2-0ubuntu13 0
        500 http://mirror.d9t.de/ubuntu/ trusty/main amd64 Packages

Expected behaviour:
- Virtual machines keep running while/after the unattended upgrade

What happened instead:
- All virtual machines were killed

** Affects: libvirt (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  Unattended upgrade of libvirt-bin and libvirt0 killed virtual machines

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