迁移实例error报错Error: Unable to migrate instance

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2018-12-02 00:17:59.514 14495 ERROR nova.compute.manager [req-1bd5b04f-b9d5-485e-8043-931a4a6c77bd 9d43966f82de4cab8db3696c634d98ba f563fd1031a246d7aa182ccb79abc996 - default default] [instance: d88cd02c-7179-40c7-b25a-b086f62810bf] Error: Unable to migrate instance (d88cd02c-7179-40c7-b25a-b086f62810bf) to current host (compute02).: UnableToMigrateToSelf: Unable to migrate instance (d88cd02c-7179-40c7-b25a-b086f62810bf) to current host (compute02).
% E/ J; A& n3 ^" Y2018-12-02 00:17:59.514 14495 ERROR nova.compute.manager [instance: d88cd02c-7179-40c7-b25a-b086f62810bf] Traceback (most recent call last):
' c0 B( m0 x1 }0 }' z+ s* I. I2018-12-02 00:17:59.514 14495 ERROR nova.compute.manager [instance: d88cd02c-7179-40c7-b25a-b086f62810bf]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 4139, in prep_resize
# p  }/ o- S1 W, ?6 h) T2018-12-02 00:17:59.514 14495 ERROR nova.compute.manager [instance: d88cd02c-7179-40c7-b25a-b086f62810bf]     node, migration, clean_shutdown)
2018-12-02 00:17:59.514 14495 ERROR nova.compute.manager [instance: d88cd02c-7179-40c7-b25a-b086f62810bf]   File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 4083, in _prep_resize
2018-12-02 00:17:59.514 14495 ERROR nova.compute.manager [instance: d88cd02c-7179-40c7-b25a-b086f62810bf]     instance_id=instance.uuid, host=self.host)
* [. c9 m! x# ?/ b( H7 S2018-12-02 00:17:59.514 14495 ERROR nova.compute.manager [instance: d88cd02c-7179-40c7-b25a-b086f62810bf] UnableToMigrateToSelf: Unable to migrate instance (d88cd02c-7179-40c7-b25a-b086f62810bf) to current host (compute02).
2018-12-02 00:17:59.514 14495 ERROR nova.compute.manager [instance: d88cd02c-7179-40c7-b25a-b086f62810bf]
6 X! `% K8 f7 L  X6 U2018-12-02 00:18:27.207 14495 INFO nova.compute.resource_tracker [req-556ca37e-59ed-4f33-b751-4d23cb2071d6 - - - - -] Updating from migration d88cd02c-7179-40c7-b25a-b086f62810bf