Features:
+* maybe replace nss-machines with logic in networkd that registers records with
+ systemd-resolved, based on DHCP leases, so that we gain compat with VMs.
+ Implementation idea: encode in an ifaltname the intended local name to expose this
+ under and then parse that out and map it to the combined A/AAAA of all handed
+ out leases.
+
* make journalctl something we can invoke like the askpw/polkit agents, and
then spawn it from "systemctl start" and similar with a precise filter on the
unit. Make sure that it syncs on the journal when done so that we show