This ways the networkd client library should work even if networkd is
not running.
http://lists.freedesktop.org/archives/systemd-devel/2014-May/019242.html
d /run/systemd/users 0755 root root -
d /run/systemd/machines 0755 root root -
d /run/systemd/shutdown 0755 root root -
d /run/systemd/users 0755 root root -
d /run/systemd/machines 0755 root root -
d /run/systemd/shutdown 0755 root root -
+d /run/systemd/network 0755 root root -
+d /run/systemd/network/links 0755 root root -
m /var/log/journal 2755 root systemd-journal - -
Z /var/log/journal/%m 2755 root systemd-journal - -
m /var/log/journal 2755 root systemd-journal - -
Z /var/log/journal/%m 2755 root systemd-journal - -