units/user: default.target must be isolatable

...
Activating default unit: default.target
Default target could not be isolated, starting instead: Operation refused, unit may not be isolated.

TODO

@@ -1,4 +1,7 @@
 Bugfixes:
+* systemctl completion doesn't want to start failed systemd-tmpfiles-setup.service
+  systemctl --system show -p Fr<TAB> default.target doesn't show anything
+
 * systemd-journald seems to randomly hang on shutdown, likely not handling
   SIGTERM, shutdown blocks until we send SIGKILL at the very end.
 
@@ -19,6 +22,8 @@ Bugfixes:
 
 * suppress log output on shutdown when "quiet" is used
 
+* systemctl delete x.snapshot leaves no trace in logs (at least at default level).
+
 Fedora 19:
 
 * make anaconda write timeout=0 for encrypted devices

units/user/default.target

@@ -8,3 +8,4 @@
 [Unit]
 Description=Default
 Documentation=man:systemd.special(7)
+AllowIsolate=yes