Comment 3 for bug 2003744

For this run: https://solutions.qa.canonical.com/testruns/f6381b6b-4b4c-4631-9516-d5cad6b55470

In the logs, mysql-innodb-cluster/leader goes down for maintenance during:
juju-unit executing running certificates-relation-changed hook for mysql-innodb-cluster/1

Crashdump and configs: https://oil-jenkins.canonical.com/artifacts/f6381b6b-4b4c-4631-9516-d5cad6b55470/index.html
in this file: juju-crashdump-kubernetes-aws-2023-10-26-17.17.31/5a4a5540-08a8-450e-828f-fafe6f2de7a8/mysql-innodb-cluster_1/juju-show-status-log/mysql-innodb-cluster_1

validating Alex's hypothesis