I did a test with V2.27 and the latest version V2.53.
The live-migration works well with V2.27 but failed with V2.53 with the same error reported by Naichuan:
Aug 08 05:23:13 DevStackOSDomU nova-conductor[4417]: ERROR oslo_messaging.rpc.server InstanceActionNotFound: Action for request_id req-9dd0d0e2-4b92-46d3-ad95-2aa89eeebde5 on instance 81a0ef82-8127-4b51-9f8d-4bfe7d429149 not found
I did a test with V2.27 and the latest version V2.53.
The live-migration works well with V2.27 but failed with V2.53 with the same error reported by Naichuan:
Aug 08 05:23:13 DevStackOSDomU nova-conductor[ 4417]: ERROR oslo_messaging. rpc.server InstanceActionN otFound: Action for request_id req-9dd0d0e2- 4b92-46d3- ad95-2aa89eeebd e5 on instance 81a0ef82- 8127-4b51- 9f8d-4bfe7d4291 49 not found