[Bug 1539761] [NEW] when libvirtd is restarted, virtual machines restart or crash

[Robert Dinse]

Public bug reported:

     According to the manual page, restarting libvirtd is not supposed
to interrupt running virtual machines, but it does.  Thus when an
upgrade to libvirtd comes out on the host machines, if I apply it, it
frequently restarts the guest machines which is unpopular with customers
to put it mildly.

     This is how to reproduce it, create kvm-qemu guests, with a dozen
of them or so running on a box, on the host machine type systemctl
restart libvirt-bin and on average about 3/4ths of the guest machines
will reboot.

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

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Title:
  when libvirtd is restarted, virtual machines restart or crash

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