Waiting for “mysql” to restart ……………………………………………………………………………………………………………………waiting for “mysql” to initialize …………………………………finished.

The service “mysql” failed to start with the message: mysql is not running
/usr/bin/mysqladmin: connect to server at 'localhost' failed
error: 'Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)'
Check that mysqld is running and that the socket: '/var/lib/mysql/mysql.sock' exists!

Startup Log:
     Starting MySQL. ERROR! The server quit without updating PID file (/var/lib/mysql/vs2552.dus2.alvotech.de.pid).

Log Messages:
     150115 17:20:00 mysqld_safe mysqld from pid file /var/lib/mysql/vs2552.dus2.alvotech.de.pid ended
     /usr/sbin/mysqld: Table 'mysql.plugin' doesn't exist
     150115 17:19:59 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
     150115 17:17:50 mysqld_safe mysqld from pid file /var/lib/mysql/vs2552.dus2.alvotech.de.pid ended
     /usr/sbin/mysqld: Table 'mysql.plugin' doesn't exist
     150115 17:17:50 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
     150115 17:16:33 mysqld_safe mysqld from pid file /var/lib/mysql/vs2552.dus2.alvotech.de.pid ended

mysql has failed. Please contact your system administrator if the service does not automagically recover.