Systemd 243 complains about pid file location.

[bartoszek]

Process accounting isn't active for a period of time till atopacctd reactivate process accounting

$ journalctl -b 0 -u atopacct.service
/usr/lib/systemd/system/atopacct.service:10: PIDFile= references a path below legacy directory /var/run/, updating /var/run/atopacctd.pid → /run/atopacctd.pid; please update the unit file accordingly

https://github.com/Atoptool/atop/blob/224ab67066810dcb3f80ab40c34bd4ab8d6a2ad7/atopacct.service#L10