get rid of the stall with 'dhcp'

roles/network/defaults/main.yml

@@ -4,6 +4,7 @@ wireless_lan_present: False
 strict_networking: False
 iiab_demo_mode: False
 gui_static_wan: False
+wan_cidr:
 
 # Set defaults for discovery process as strings
 wifi1: "not found-1"

roles/network/tasks/sysd-netd-debian.yml

@@ -31,7 +31,12 @@
 - name: Static IP computing CIDR
   shell: netmask {{ wan_ip }}/{{ wan_netmask }} | awk -F "/" '{print $2}'
   register: CIDR
-  when: wan_ip != "dhcp" or gui_static_wan_ip == "undefined"
+  when: wan_ip != "dhcp"
+
+- name: Static IP setting CIDR
+  set_fact:
+    wan_cidr: "{{ CIDR.stdout }}"
+  when: wan_ip != "dhcp"
 
 # ICO will always set gui_static_wan_ip away from the default of 'unset' while
 # gui_static_wan turns dhcp on/off through wan_ip in computed_network and

roles/network/templates/network/cloud-init.j2

@@ -4,7 +4,7 @@ network:
         {{ iiab_wan_iface }}:
             dhcp4: false
             dhcp6: false
-            addresses: [{{ wan_ip }}/{{ CIDR.stdout }}]
+            addresses: [{{ wan_ip }}/{{ wan_cidr }}]
             gateway4: {{ wan_gateway }}
             nameservers:
                addresses: [{{ wan_nameserver }}]