Only keep the most recent StatusRequest debug messages.
Only keep the most recent StatusRequest debug messages.

There is a hard-coded limit after which old debug messages are
removed from the in-memory list.

quattor/aquilon,guillaume-philippon/aquilon,quattor/aquilon,stdweird/aquilon,guillaume-philippon/aquilon,quattor/aquilon,stdweird/aquilon,guillaume-philippon/aquilon,stdweird/aquilon