This bug was fixed in the package xen - 4.4.0-0ubuntu9
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xen (4.4.0-0ubuntu9) utopic; urgency=low
* debian/scripts/xen-init-list: Modify code to only list domains started
by the xl command (when using libxl). Also working around a bug in the
list -l command of the xl
** Also affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Changed in: libvirt (Ubuntu)
Status: New = Triaged
** Changed in: libvirt (Ubuntu)
Importance: Undecided = Medium
** Changed in: libvirt (Ubuntu)
Assignee: (unassigned) = Stefan Bader (smb)
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You
This bug was fixed in the package libvirt - 1.2.8-0ubuntu10
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libvirt (1.2.8-0ubuntu10) utopic; urgency=medium
* libvirt-bin.upstart: delay start until rc finished
This give hypervisors more time to finish their setup (LP: #1377900).
* libvirt-bin.upstart: add xen:/// uri