cloudlab exp status page sometimes claims that startup scripts have finished, but they are still running
We saw this a handful of times in the recent RMACC tutorial, and @ricci says he's seen it too. Sadly, I don't know how to reproduce it.
I don't know if I've ever seen it on a wired machine, and I've wondered if it's just a connection drop thing on unreliable wireless networks? That sounds too easy, but it's all I can offer...