The Aurae project calls out general rules for how all daemons (including
auraed itself) should respond to various POSIX signals.
auraed daemon will proxy signals sent to nested cells and nested
|SIGKILL||9||SIGKILL||The most destructive signal. Will immediately kill
|SIGHUP||1||SIGHUP||Sent when a controlling shell, or TTY is closed. Used to reload
|SIGTERM||15||SIGTERM||Used to tell a nested