Features:
+* if the loopback is guaranteed to always have ifindex == 1, get rid of manager_is_loopback_ifindex() in resolved
+
+* add a system-wide shutdown timeout, similar to the startup timeout we already have (see fdo bz #84110)
+
+* maybe provide an API to allow migration of foreign PIDs into existing scopes.
+
* kdbus: maybe rename "connection name" concept to something that doesn't reuse the word "name"?
* PID 1 doesn't apply nspawns devices cgroup policy