cat /var/log/messages 
2015-08-24T17:33:50.032158+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 Percona XtraDB (http://www.percona.com) 5.5.43-MariaDB-37.2 started; log sequence number 1680332
2015-08-24T17:33:50.167915+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Function 'ARCHIVE' already exists
2015-08-24T17:33:50.168303+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [Warning] Couldn't load plugin named 'ARCHIVE' with soname 'ha_archive.so'.
2015-08-24T17:33:50.168586+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Function 'FEDERATED' already exists
2015-08-24T17:33:50.168883+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [Warning] Couldn't load plugin named 'FEDERATED' with soname 'ha_federated.so'.
2015-08-24T17:33:50.169120+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Function 'BLACKHOLE' already exists
2015-08-24T17:33:50.169355+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [Warning] Couldn't load plugin named 'BLACKHOLE' with soname 'ha_blackhole.so'.
2015-08-24T17:33:50.170736+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [Note] Server socket created on IP: '0.0.0.0'.
2015-08-24T17:33:50.196223+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Missing system table mysql.proxies_priv; please run mysql_upgrade to create it
2015-08-24T17:33:50.300465+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'events_waits_current' has the wrong structure
2015-08-24T17:33:50.301011+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'events_waits_history' has the wrong structure
2015-08-24T17:33:50.301334+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'events_waits_history_long' has the wrong structure
2015-08-24T17:33:50.301680+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'setup_consumers' has the wrong structure
2015-08-24T17:33:50.301933+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'setup_instruments' has the wrong structure
2015-08-24T17:33:50.302177+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'setup_timers' has the wrong structure
2015-08-24T17:33:50.302418+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'performance_timers' has the wrong structure
2015-08-24T17:33:50.302703+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'threads' has the wrong structure
2015-08-24T17:33:50.302990+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'events_waits_summary_by_thread_by_event_name' has the wrong structure
2015-08-24T17:33:50.303232+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'events_waits_summary_by_instance' has the wrong structure
2015-08-24T17:33:50.303474+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'events_waits_summary_global_by_event_name' has the wrong structure
2015-08-24T17:33:50.303721+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'file_summary_by_event_name' has the wrong structure
2015-08-24T17:33:50.303987+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'file_summary_by_instance' has the wrong structure
2015-08-24T17:33:50.304242+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'mutex_instances' has the wrong structure
2015-08-24T17:33:50.304486+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'rwlock_instances' has the wrong structure
2015-08-24T17:33:50.304740+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'cond_instances' has the wrong structure
2015-08-24T17:33:50.304982+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Native table 'performance_schema'.'file_instances' has the wrong structure
2015-08-24T17:33:50.305231+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Incorrect definition of table mysql.event: expected column 'sql_mode' at position 14 to have type set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','IGNORE_BAD_TABLE_OPTIONS','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE','NO_ENGINE_SUBSTITUTION','PAD_CHAR_TO_FULL_LENGTH'), found type set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','NOT_USED','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_A
2015-08-24T17:33:50.323480+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [ERROR] Event Scheduler: An error occurred when initializing system tables. Disabling the Event Scheduler.
2015-08-24T17:33:50.324114+02:00 linux-4ijc mysql-systemd-helper[3268]: 150824 17:33:50 [Note] /usr/sbin/mysqld: ready for connections.
2015-08-24T17:33:50.324395+02:00 linux-4ijc mysql-systemd-helper[3268]: Version: '5.5.44-MariaDB'  socket: '/var/run/mysql/mysql.sock'  port: 3306  openSUSE package
2015-08-24T17:33:50.522789+02:00 linux-4ijc mysql-systemd-helper[3269]: MySQL is alive
2015-08-24T17:33:50.525914+02:00 linux-4ijc systemd[1]: Started MySQL server.