added missing default pillar values for all currently supported operating systems

network/defaults.yaml

         ip: ff02::2
       - name: ip6-allhosts
         ip: ff02::3
+  routes: {}
 RedHat:
   interfaces:
     pkgs: []
         ip: ff02::2
       - name: ip6-allhosts
         ip: ff02::3
+  routes: {}
 FreeBSD:
-  resolver:
-    values:
-      path: /etc/resolv.conf
+  interfaces:
+  resolver: {}
+  hosts: {}
+  routes: {}
 {% endload %}