3.12 merge window, part 2

Feeding the device tree is GOOD because it’s still usable to separate a class of machines from another class of machines, aids mixing with other entropy sources (is a source of more unruliness) and, to be frank and saying it with the words of the developer of RANDOM.SYS for MS-DOS: “Every bit counts.”

For that matter, MirBSD feeds the link-layer addresses of network interfaces into the pool in the code that attaches them to the global list of interfaces.