Commit[1] fails NVMe CI due to missing attribute:
File "/opt/stack/cinder/cinder/volume/targets/nvmet.py", line 184,
in _get_available_nvmf_subsystems
out, err = cinder.privsep.nvmcli.save(tmp_file_path)
AttributeError: 'module' object has no attribute 'nvmcli'
[1] I3cff61b4cde16e00ad23d534c5281a2f1afcd29f
Change-Id: I5d457e5005e64b8857592b1686a5d8075f5f7c92