network: Move OpenBSD CARP to use network_vip_interfaces

This will also change advskew option to priority and inverse functionality
so greatest value wins instead of lowest.

roles/network/tasks/OpenBSD.yml

@@ -18,15 +18,15 @@
         mode: 0600
         owner: root
         group: "{{ ansible_wheel }}"
-      with_items: "{{ network_carp_interfaces }}"
+      with_items: "{{ network_vip_interfaces }}"
       notify: restart network
     - name: enable carp preempt
       sysctl:
         name: net.inet.carp.preempt
         value: "1"
   when:
-    - network_carp_interfaces is defined
+    - network_vip_interfaces is defined
-    - network_carp_interfaces != []
+    - network_vip_interfaces != []
 
 - name: set default gateway
   copy:

roles/network/templates/hostname.carp.j2

@@ -15,6 +15,6 @@ rtsol
 inet6 alias {{ item.ip6addr }} {{ item.ip6netmask }}
 {%   endif %}
 {% endif %}
-{% if item.advskew is defined %}
+{% if item.priority is defined %}
-advskew {{ item.advskew }}
+advskew {{ 240 - item.priority|int }}
 {% endif %}