(In reply to Dr. Werner Fink from comment #25) > I've no clue if there is soemthing which can simulate this printer. How do you think about to reuse any virtual machine or container for a corresponding problem analysis? How are the chances to reproduce the issue I stumbled on by fiddling with commands around a function like "virNodeDeviceCreateXML"? https://libvirt.org/html/libvirt-libvirt-nodedev.html#virNodeDeviceCreateXML https://libvirt.org/sources/virshcmdref/html/chap-Virsh_Command_Reference-Commands.html#sect-attach-device