New message from rule-updater.py ?

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Hello,

Using OPNsense 19.1, with Suricata 4.1.2_1, I noticed a new message in log (within dasboard):
Lots (more or less 45 for the same date and hour) of .....

Feb 5 18:18:45    rule-updater.py: version response for https://rules.emergingthreats.net/open/suricata-4.0/version.txt : 9115

With a version.txt incrementing each day.

It seems correctly downloading and installing new versions of rules, but do you know why rule-updater.py returns so numerous identical messages ?

Thanks a lot for teaching me ...