mysql.service - MySQL Community Server
   Loaded: loaded (/lib/systemd/system/mysql.service; enabled; vendor preset: enabled)
   Active: inactive (dead) (Result: exit-code) since Sat 2016-04-23 00:33:29 CEST; 1min 38s ago
  Process: 12188 ExecStartPre=/usr/share/mysql/mysql-systemd-start pre (code=exited, status=1/FAILURE)

Apr 23 00:33:29 alanT systemd[1]: Failed to start MySQL Community Server.
Apr 23 00:33:29 alanT systemd[1]: mysql.service: Unit entered failed state.
Apr 23 00:33:29 alanT systemd[1]: mysql.service: Failed with result 'exit-code'.
Apr 23 00:33:29 alanT systemd[1]: mysql.service: Service hold-off time over, scheduling restart.
Apr 23 00:33:29 alanT systemd[1]: Stopped MySQL Community Server.
Apr 23 00:33:29 alanT systemd[1]: mysql.service: Start request repeated too quickly.
Apr 23 00:33:29 alanT systemd[1]: Failed to start MySQL Community Server.