Hide expected message from libvirt about non-existing domain
Hide expected message from libvirt about non-existing domain

These create false positives for anything which scans for errors,
such as our configuration for the Jenkins Log Parser plugin:

https://github.com/SUSE-Cloud/automation/blob/master/scripts/jenkins/log-parser/openstack-mkcloud-rules.txt

SUSE-Cloud/automation,vmoravec/automation,aspiers/automation,SUSE-Cloud/automation,vmoravec/automation,aspiers/automation,vmoravec/automation,gosipyan/automation,gosipyan/automation,vmoravec/automation,gosipyan/automation,SUSE-Cloud/automation,SUSE-Cloud/automation,gosipyan/automation,aspiers/automation,aspiers/automation