Description of problem:

Re-run of undercloud upgrade(16.2->17.1) failed with following error:

+++
2023-07-19 08:15:18.869778 | 525400cf-381f-5864-38c7-00000000073e |      FATAL | migrate existing introspection data | undercloud | error={"changed": true, "cmd": "podman exec -u root ironic_inspector ironic-inspector-migrate-data --from swift --to database --config-file /etc/ironic-inspector/inspector.conf\n", "delta": "0:01:42.467282", "end": "2023-07-19 08:15:18.830981", "failed_when_result": true, "msg": "non-zero return code", "rc": 1, "start": "2023-07-19 08:13:36.363699", "stderr": "b\"(pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query')\\n(Background on this error at: http://sqlalche.me/e/e3q8)\"", "stderr_lines":["b\"(pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query')\\n(Background on this error at: http://sqlalche.me/e/e3q8)\""], "stdout": "", "stdout_lines": []}
+++

Version-Release number of selected component (if applicable):
17.1

How reproducible:
Everytime

Steps to Reproduce:

1. Run 1st time undercloud upgrade which failed with some reason(in this case it failed while pulling images due to wrong tagging).
2. Re-run undercloud upgrade  after fixing issue in step-1. Upgrade failed on

~~~
2023-07-19 08:15:18.869778 | 525400cf-381f-5864-38c7-00000000073e |      FATAL | migrate existing introspection data | undercloud | error={"changed": true, "cmd": "podman exec -u root ironic_inspector ironic-inspector-migrate-data --from swift --to database --config-file /etc/ironic-inspector/inspector.conf\n", "delta": "0:01:42.467282", "end": "2023-07-19 08:15:18.830981", "failed_when_result": true, "msg": "non-zero return code", "rc": 1, "start": "2023-07-19 08:13:36.363699", "stderr": "b\"(pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query')\\n(Background on this error at: http://sqlalche.me/e/e3q8)\"", "stderr_lines":["b\"(pymysql.err.OperationalError) (2013, 'Lost connection to MySQL server during query')\\n(Background on this error at: http://sqlalche.me/e/e3q8)\""], "stdout": "", "stdout_lines": []}
~~~
3. Retart tripleo_mysql.service & upgrade passes.
Actual results:

Upgrade failed during re-run.

Expected results:

Should pass.

Additional info: