Create systemd link files on Debian Buster, too.

Signed-off-by: Maximilian Wilhelm <max@sdn.clinic>

network/link.sls

@@ -8,10 +8,11 @@
   file.managed:
     - template: jinja
     - source: salt://network/udev-rules.tmpl
-{% endif %}
+
+# Stretch, Buster, ...
+{% else %}
 
 # Systemd link files?
-{% if grains['oscodename'] == 'stretch' %}
   {% for iface, iface_config in salt['pillar.get']('nodes:' ~ grains['id'] ~ ':ifaces', {}).items ()|sort %}
     {% if '_udev_mac' in iface_config or 'mac' in iface_config %}
 /etc/systemd/network/42-{{ iface }}.link: