Weird logs when Suricata is running

Good afternoon. During the work of Suricata, I noticed the following entries in the logs, which I can not understand in any way.
Please tell me what they can be connected with)?

Version
image

Those look like custom code changes. Did you use the official release or something else?

It looks like some extra developer debug landed in 6.0.9.

Thanks a lot. This answered my questions.