Fix ending up with no link on WAN interface.

roles/two-interface-firewalld/handlers/main.yml

@@ -1,6 +1,6 @@
 - name: restart networking
-  systemd: name=networking state=restarted enabled=yes
-  listen: restart networking
+  command: ifup {{ if_lan }}
+  listen: "bring up LAN interface"
   when: not run_in_installer|default(false)|bool
 
 - name: start firewalld

roles/two-interface-firewalld/tasks/main.yml

@@ -2,7 +2,7 @@
   template:
     src: interfaces-static.j2
     dest: /etc/network/interfaces.d/static
-  notify: "restart networking"
+  notify: "bring up LAN interface"
 
 - name: install firewalld package
   apt: name=firewalld state=latest