For a question which has been both bountied and flagged at some time in the past, the post's flag history page shows some strange and unexpected things in the "Comment" column for the starting/ending bounty events in the post's history.
I'll include links, but they're visible only to diamond bearers on the respective sites, so I'll also include screenshots with any non-public information redacted.
As you can see from the public timeline, bounties have been offered on this post twice. But the flag history page shows:
As you can see from the public timeline, this post was bountied in 2016. But the flag history page shows:
(Click for full sized versions of these screenshot images.)
In the first case, the bounty comment looks like a close reason. In the second case, I've no idea what that is. What's going on here?