- generate better errors when people try to set transient properties
that are not supported...
https://lists.freedesktop.org/archives/systemd-devel/2015-February/028076.html
- - maybe introduce WantsMountsFor=? Use case:
- https://lists.freedesktop.org/archives/systemd-devel/2015-January/027729.html
- recreate systemd's D-Bus private socket file on SIGUSR2
- move PAM code into its own binary
- when we automatically restart a service, ensure we restart its rdeps, too.