~$ systemctl status fail2ban.service
● fail2ban.service - Fail2Ban Service
Loaded: loaded (/lib/systemd/system/fail2ban.service; enabled; vendor preset: enabled)
Active: inactive (dead) (Result: exit-code) since Tue 2017-12-12 13:09:15 CST; 5s ago
Docs: man:fail2ban(1)
Process: 2964 ExecStart=/usr/bin/fail2ban-client -x start (code=exited, status=255)
Dec 12 13:09:15 pickett-desktop systemd[1]: Failed to start Fail2Ban Service.
Dec 12 13:09:15 pickett-desktop systemd[1]: fail2ban.service: Unit entered failed state.
Dec 12 13:09:15 pickett-desktop systemd[1]: fail2ban.service: Failed with result 'exit-code'.
Dec 12 13:09:15 pickett-desktop systemd[1]: fail2ban.service: Service hold-off time over, scheduling restart.
Dec 12 13:09:15 pickett-desktop systemd[1]: Stopped Fail2Ban Service.
Dec 12 13:09:15 pickett-desktop systemd[1]: fail2ban.service: Start request repeated too quickly.
Dec 12 13:09:15 pickett-desktop systemd[1]: Failed to start Fail2Ban Service.