Comment 5 for bug 1834194

based on test I made. The volume did not show up in tenant vm. from nova-compute log:
{"log":"2019-06-29 11:20:30.060 862779 INFO nova.compute.manager [req-72dcc04a-762f-4f5a-bea8-4514c21dc655 26223c26194e4d8599ad111b56930775 3ad5ee22bb1b4c279587cc6aeafd1d05 - default default] [instance: c54f7c86-6b59-48b9-839f-07be9ded8cec] Attaching volume c70fdb87-daf2-4f1b-b9b2-e053271b562b to /dev/vdb\n","stream":"stdout","time":"2019-06-29T11:20:30.060708716Z"}
{"log":"2019-06-29 11:20:30.060 862779 INFO nova.compute.manager [req-72dcc04a-762f-4f5a-bea8-4514c21dc655 26223c26194e4d8599ad111b56930775 3ad5ee22bb1b4c279587cc6aeafd1d05 - default default] [instance: c54f7c86-6b59-48b9-839f-07be9ded8cec] Attaching volume c70fdb87-daf2-4f1b-b9b2-e053271b562b to /dev/vdb\n","stream":"stdout","time":"2019-06-29T11:20:30.060798543Z"

it does not show this volume was successfully attached.