2019-03-03 0:10:22 140225284441216 [Note] InnoDB: Highest supported file format is Barracuda.
InnoDB: No valid checkpoint found.
InnoDB: A downgrade from MariaDB 10.2.2 or later is not supported.
InnoDB: If this error appears when you are creating an InnoDB database,
InnoDB: the problem may be that during an earlier attempt you managed
InnoDB: to create the InnoDB data files, but log file creation failed.
InnoDB: If that is the case, please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/error-creating-innodb.html
2019-03-03 0:10:22 140225284441216 [ERROR] Plugin 'InnoDB' init function returned error.
2019-03-03 0:10:22 140225284441216 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2019-03-03 0:10:22 140225284441216 [Note] Plugin 'FEEDBACK' is disabled.
2019-03-03 0:10:22 140225284441216 [ERROR] Could not open mysql.plugin table. Some plugins may be not loaded
2019-03-03 0:10:22 140225284441216 [ERROR] Unknown/unsupported storage engine: InnoDB
2019-03-03 0:10:22 140225284441216 [ERROR] Aborting