Hello Matt, thanks for the bug report. We are aware of this bug and it is manifesting only in v3.1.0. You can use older patched version v3.0.2 and it will work as expected. We are now working on a different bigger bug fix that is delaying the patch release of v3.1.1 that will also include bug fix to the issue you are having. It is expected to release in a week or two. Thanks again and have a good end of the week, David David Petera (he/him) | BIRD Tech Support | CZ.NIC, z.s.p.o. On 5/1/25 01:47, Matt Corallo wrote:

Figured I'd try bird 3.1.0 but sadly after increasing the threads to 6 (which made things settle fast!) I started hitting the above assertion sometimes. I don't have a core dump, but I may be able to get one if it happens again.