Comment 12 for bug 1834194

with "20190717T013000Z" image. https://github.com/starlingx-staging/stx-libvirt/pull/6 was merged.

test result is positive.

    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2' cache='none' discard='unmap'/>
      <source file='/var/lib/nova/instances/4a973e47-ff4d-4361-9ceb-a61befeffe97/disk'/>
      <backingStore type='file' index='1'>
        <format type='raw'/>
        <source file='/var/lib/nova/instances/_base/636047594352490faa5c41b54bb6535f9ec92ced'/>
        <backingStore/>
      </backingStore>
      <target dev='vda' bus='virtio'/>
      <alias name='virtio-disk0'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </disk>
    <disk type='network' device='disk'>
      <driver name='qemu' type='raw' cache='writeback' discard='unmap'/>
      <auth username='cinder'>
        <secret type='ceph' uuid='457eb676-33da-42ec-9a8c-9293d545c337'/>
      </auth>
      <source protocol='rbd' name='cinder-volumes/1e3cc88a-e0ff-4ca6-ab44-f8475a470018'>
        <host name='192.178.204.3' port='6789'/>
      </source>
      <target dev='vdb' bus='virtio'/>
      <serial>1e3cc88a-e0ff-4ca6-ab44-f8475a470018</serial>
      <alias name='virtio-disk1'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
    </disk>