Seeing http://www.happyassassin.net/2013/09/27/further-sysadmin-adventures-wheres-my-freeipa-badge/
it seems that the default message is a bit confusing for people
who never encountered it before, so adding a link to the manpage could
help them.
d /run/systemd/machines 0755 root root -
d /run/systemd/shutdown 0755 root root -
-F /run/nologin 0644 - - - "System is booting up."
+F /run/nologin 0644 - - - "System is booting up. See pam_nologin(8)"
m /var/log/journal 2755 root systemd-journal - -
m /var/log/journal/%m 2755 root systemd-journal - -