[6.0]virsh domxml-from-native fails to convert to XML file.

Issue

• "virsh domxml-from-native" fails to convert to XML file according to the step "Step to Reproduce" describe later.  Then the following error message is reported:

# virsh domxml-from-native qemu-argv  <config>
error: internal error missing index/unit/bus parameter in drive 'file=/kvm-data/<domain-name>.img,if=non
e,id=drive-virtio-disk0,format=raw,cache=none'

• Because we specified arguments actually specified to <config>, virsh should work properly.  Our partner believes that this is due to a bug of virsh domxml-from-native.