MySQL Error Message
Cannot upgrade format (v%lu) of redo log files, because
InnoDB failed to reach state in which redo log is logically empty.
Please use an older version of MySQL – recover and shutdown (with
innodb-fast-shutdown < 2).
Reason for the Error
ER_IB_MSG_LOG_UPGRADE_FLUSH_FAILED__UNEXPECTED
was added in 8.0.30, removed after 8.0.32.