buildbot "AMD64 Ubuntu NoGIL 3.x" failing intermittently

Confirmed - the [same builder](https://buildbot.python.org/all/#/builders/1225) succeeded on the subsequent build. This builder does appear to be flaky right now.

<img width="1433" alt="image" src="https://github.com/python/cpython/assets/308610/c26dfab6-cf86-4b55-bfaf-872ed0bc830e">

_Originally posted by @jaraco in https://github.com/python/cpython/issues/116812#issuecomment-1999649582_