Features:
+* Add an alias to systemd-run maybe called "uid0" or so, which tries to mimic
+ the sudo/su command lines to some level, but is backed by transient services,
+ and proper security isolate/tty forwarding. This would then allow us to run
+ systems with NNP turned on reasonably nicely. To make this extra nice and
+ pretty, in ptyfwd rewrite every NL we pass through so that it resets the bg
+ color to some reddish tone, and erase the whole coming line first, so that
+ the background color indicates when operating with privileges and when not.
+
+* use udev rule networkd ownership property to take ownership of network
+ interfaces nspawn creates
+
* add a kernel cmdline switch (and cred?) for marking a system to be
"headless", in which case we never open /dev/console for reading, only for
writing. This would then mean: systemd-firstboot would process creds but not