+* consider showing the unit names during boot up in the status output, not just the unit descriptions
+
+* send SIGABRT when a service watchdog is triggered, by default, so that we acquire a backtrace of the hang.
+
+* dhcp: do we allow configuring dhcp routes on interfaces that are not the one we got the dhcp info from?
+
+* maybe allow timer units with an empty Units= setting, so that they
+ can be used for resuming the system but nothing else.
+
+* what to do about udev db binary stability for apps?