We had a good one recently where / got bind mounted to be used as a container rootfs in a quick and dirty test, then we decided to `rm -rf` the directory contai

We had a good one recently where / got bind mounted to be used as a container rootfs in a quick and dirty test, then we decided to `rm -rf` the directory containing the bind mount. A clever way to get around pesky --no-preserve-root not being the default.