The station at Dau G-11 has a sort of tunnel that you have to traverse as you exit after launching - last night two hapless AI station guard types were caught in that tunnel, both bumping against the same "side" of the wall very close to each other.

Naturally I have no idea what causes such things, and the AIs have been doing a lot better flying around the stations lately (and docking, in the case of the transports,) but these two were presumably in some loop of logic they just didn't seem to have a good way out of - I don't know if the tunnel is so small they can't back up, or if they might eventually slide off to the side and make their way back to glorious free flight, but...

...in terms of the kinds of things that it would be better not to see, this was on the list.

Yeah, that station confuses a lot of the AI. Thanks for pointing out that the updated path-finding doesn't work very well in that situation.