Log message 'ACPF clock' reported in klogd.log

This message is reported often in "Log" > "Box" > "System" > "klogd.log" since release 4.2.0:

This messages are generated by the ACPF modul in order of holding the FW-Audit log (available since 4.2.0). Mostly at the switch between standard and daylight saving time could be a reason for inconsitencies and the ACPF module, which uses jiffies as time, corrects automatically time divergences and this will be logged in the klogd.log .

The message is a standard information by the ACPF. No further investigations are needed.