Use expected ordering.

Signed-off-by: Maximilian Wilhelm <max@rfc2324.org>

sysctl/router.sls

@@ -5,15 +5,15 @@
 include:
   - sysctl
 
-/etc/sysctl.d/21-ip_forward.conf:
+/etc/sysctl.d/20-arp_caches.conf:
   file.managed:
-    - source: salt://sysctl/ip_forward.conf
+    - source: salt://sysctl/arp_caches.conf
     - watch_in:
       - cmd: reload-sysctl
 
-/etc/sysctl.d/20-arp_caches.conf:
+/etc/sysctl.d/21-ip_forward.conf:
   file.managed:
-    - source: salt://sysctl/arp_caches.conf
+    - source: salt://sysctl/ip_forward.conf
     - watch_in:
       - cmd: reload-sysctl