windows: set up firewall

roles/windows/tasks/interface_address.yml

@@ -7,7 +7,8 @@
   changed_when: "not result.stderr or 'Instance MSFT_NetIPAddress already exists' not in result.stderr"
   failed_when: false
 
-- set_fact:
+- name: Get gateway for prefix
+  set_fact:
     prefix: "{{ prefixes | selectattr('prefix', '==', address.address|ipaddr('subnet')) | first }}"
 
 - name: Set gateway