busctl status --machine=.host --augment-creds=no
busctl status --user --machine=testuser@.host
busctl status org.freedesktop.systemd1
-busctl tree
+# Ignore the exit code here, since this runs during machine bootup, so busctl
+# might attempt to introspect a job that already finished and fail, i.e.:
+# Failed to introspect object /org/freedesktop/systemd1/job/335 of service org.freedesktop.systemd1: Unknown object '/org/freedesktop/systemd1/job/335'.
+busctl tree || :
busctl tree org.freedesktop.login1
busctl tree --list org.freedesktop.login1
busctl introspect org.freedesktop.systemd1 /org/freedesktop/systemd1