2017-01-31 09:01:36.329 5070 WARNING nova.virt.libvirt.driver [req-1b141aee-d54a-49a9-8a0a-e15a01eb6067 e060348bc48046718e6cae8da099c407 0d832269569845ec9967ed26bfbcb3de - - -] [instance: 46e
90427-ad3e-46ec-8cd5-4beb4cc3c0b4] During detach_volume, instance disappeared.
2017-01-31 09:01:36.915 5070 INFO nova.virt.libvirt.driver [-] [instance: 46e90427-ad3e-46ec-8cd5-4beb4cc3c0b4] During wait destroy, instance disappeared.
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs [req-1b141aee-d54a-49a9-8a0a-e15a01eb6067 e060348bc48046718e6cae8da099c407 0d832269569845ec9967ed26bfbcb3de - - -] Couldn't unm
ount the NFS share 172.24.0.140:/storage/Cinder1storage1
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs Traceback (most recent call last):
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/volume/nfs.py", line 70, in disconnect_volume
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs     utils.execute('umount', mount_path, run_as_root=True)
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs   File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 389, in execute
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs     return RootwrapProcessHelper().execute(*cmd, **kwargs)
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs   File "/usr/lib/python2.7/dist-packages/nova/utils.py", line 272, in execute
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs     return processutils.execute(*cmd, **kwargs)
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs   File "/usr/lib/python2.7/dist-packages/oslo_concurrency/processutils.py", line 275, in execute
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs     cmd=sanitized_cmd)
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs ProcessExecutionError: Unexpected error while running command.
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs Command: sudo nova-rootwrap /etc/nova/rootwrap.conf umount /var/lib/nova/mnt/c24582b0e9f8f1750c15ec5556edddfe
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs Exit code: 1
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs Stdout: u''
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs Stderr: u'umount: /var/lib/nova/mnt/c24582b0e9f8f1750c15ec5556edddfe: not mounted\n'
2017-01-31 09:01:37.695 5070 ERROR nova.virt.libvirt.volume.nfs
2017-01-31 09:01:37.710 5070 INFO nova.virt.libvirt.driver [req-1b141aee-d54a-49a9-8a0a-e15a01eb6067 e060348bc48046718e6cae8da099c407 0d832269569845ec9967ed26bfbcb3de - - -] [instance: 46e904
27-ad3e-46ec-8cd5-4beb4cc3c0b4] Deleting instance files /var/lib/nova/instances/46e90427-ad3e-46ec-8cd5-4beb4cc3c0b4_del