verified in virt-who-0.17-11.el7_3
vm = self.vms[vm_id.value]
if 'config.uuid' not in vm:
self.logger.debug("Guest '%s' doesn't have 'config.uuid' property", vm_id.value)
continue
if not vm['config.uuid'].strip():
self.logger.debug("Guest '%s' has empty 'config.uuid' property", vm_id.value)
continue
state = virt.Guest.STATE_UNKNOWN
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://rhn.redhat.com/errata/RHBA-2017-0095.html