Just so you know, I have confirmed the USB device is there using lsusb on the hosting computer:
Bus 002 Device 004: ID 055f:040b Mustek Systems, Inc. ScanExpress A3 USB 1200 PRO _______________________________________________ libvirt-users mailing list libvirt-users@redhat.com https://www.redhat.com/mailman/listinfo/libvirt-users