I managed to reproduce the bug, and confirmed that liuwei's patch solves the issue.
BTW the current Cinder API version is 3.61, so maybe the reporter found the bug while testing some patch that bumps the microversion.
I managed to reproduce the bug, and confirmed that liuwei's patch solves the issue.
BTW the current Cinder API version is 3.61, so maybe the reporter found the bug while testing some patch that bumps the microversion.