This bug was fixed in the package libvirt - 2.5.0-3ubuntu9
--------------- libvirt (2.5.0-3ubuntu9) artful; urgency=medium
* d/p/ubuntu/qemu_process-spice-don-t-release-used-port.patch: qemu_process spice: don't release used port (LP: #1697729) - upstream in libvirt 3.1.
-- Christian Ehrhardt <email address hidden> Wed, 14 Jun 2017 14:49:16 +0200
This bug was fixed in the package libvirt - 2.5.0-3ubuntu9
---------------
libvirt (2.5.0-3ubuntu9) artful; urgency=medium
* d/p/ubuntu/ qemu_process- spice-don- t-release- used-port. patch: qemu_process
spice: don't release used port (LP: #1697729) - upstream in libvirt 3.1.
-- Christian Ehrhardt <email address hidden> Wed, 14 Jun 2017 14:49:16 +0200