Introducing a new config for this purpose as NetBSD 9 or 8 will be still around
for a good while. For now, we re finally enabling sys::unix::rand::getrandom.
remove tests/ui/command/command-create-pidfd.rs . But it contains
very useful comment, so let's move the comment to library/std/src/sys/pal/unix/rand.rs ,
which contains another instance of the same Docker problem