Issue Fail2ban all unbans failing

[Jllynch]

Have just discovered that all the unbans are now failing. Errors like this:

938 fail2ban.actions [961]: ERROR Failed to execute unban jail 'recidive' action 'iptables-allports' info 'ActionInfo({'ipfailures': 12, 'ip-rev':...

985 fail2ban.actions [961]: ERROR Failed to execute unban jail 'recidive' action 'iptables-allports' info 'ActionInfo({'ipfailures': 15, 'ip-rev': ...

707 fail2ban.actions [961]: ERROR Failed to execute unban jail 'plesk-dovecot' action 'iptables-multiport' info 'ActionInfo({'ipfailures': 15, 'ip-rev':...

127 fail2ban.actions [961]: ERROR Failed to execute unban jail 'recidive' action 'iptables-allports' info 'ActionInfo({'ipfailures': 216, 'ip-rev':... 'failures': 3, 'restored': 0, 'ip-host': None})': Error unbanning

Any idea why?


Plesk Obsidian
Version 18.0.28 Update #3
Centos 8