This bug was fixed in the package libvirt - 2.5.0-3ubuntu5.6
--------------- libvirt (2.5.0-3ubuntu5.6) zesty; urgency=medium
* d/p/storage-Don-t-pass-iso-format-to-qemu-img.patch: fix issues in virt clone and other users of storage_utils functions by not passing iso to qemu-img (LP: #1729858).
-- Christian Ehrhardt <email address hidden> Mon, 06 Nov 2017 16:31:48 +0100
This bug was fixed in the package libvirt - 2.5.0-3ubuntu5.6
---------------
libvirt (2.5.0-3ubuntu5.6) zesty; urgency=medium
* d/p/storage- Don-t-pass- iso-format- to-qemu- img.patch: fix issues in virt
clone and other users of storage_utils functions by not passing
iso to qemu-img (LP: #1729858).
-- Christian Ehrhardt <email address hidden> Mon, 06 Nov 2017 16:31:48 +0100