Strange log in access.log

[daffodilistic]

2021-10-26 08:57:09.141486 [NOTICE] [24717] [*.*.*.*:4813:HTTP2-1#gaigai-staging] [STDERR] 0

Hi all, I've just gotten this in my access.log, was wondering how come this log is quite different from the usual ones I get? Note that the *.*.*.* is an IP address which I redacted. Is this a security issue?

 

[Pong]

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