[bradfitz]

Related, I gave a 6 minute lightning talk about writing tests in Go that use the test binary itself as the PID 1 under an emulated Linux in QEMU:

https://docs.google.com/presentation/d/1rAAyOTCsB8GLbMgI0CAb...

https://www.youtube.com/watch?v=69Zy77O-BUM