+* truncate whitespace of var names the same way as values in parse_env_file_internal()
+
+* dbus: when a unit failed to load (i.e. is in UNIT_ERROR state), we
+ should be able to safely try another attempt when the bus call LoadUnit() is invoked.
+
+* for instanced unit drop-ins we should look in foo@bar.service.d/ as well as foo@.service.d/
+