Comment 3 for bug 1775934

Why would the vm and task state still be set when the instance is in cell0? Shouldn't it be in ERROR vm_state with task_state=None? Might indicate something about why the instance mapping isn't updated to have a cell mapping:

mysql> select * from nova_api.instance_mappings where instance_uuid='4f59f9f3-27a1-4340-9341-d162a3b66bc3'\G
*************************** 1. row ***************************
   created_at: 2018-06-08 03:54:22
   updated_at: NULL
           id: 18073
instance_uuid: 4f59f9f3-27a1-4340-9341-d162a3b66bc3
      cell_id: NULL
   project_id: 9c28d07207a54c78848fd7b4f85779d5
1 row in set (0.00 sec)

Because when it's put in cell0, the instance mapping should be updated to point at cell0.