fix nmcli

defaults/main.yaml

@@ -2,3 +2,6 @@
 # use 'network-scripts' for network-scripts and lo iface for BGP IPs 
 network: "nm"
 network_nm_iface: "dummy0"
+
+# null for auto
+network_nm_iface_mtu: null

tasks/RedHat/8.yaml

@@ -18,20 +18,25 @@
       - Restart loopback
   when: network == 'network-scripts'
 
-- name: Add dummy interface and add IPs
+
+- block:
+  - name: BGP IPs string for nmcli
+    set_fact:
+      ips: |-
+        {%- set ips_list = [] %}
+        {%- for protocol_static in bird.bgp.static %}
+        {%- for network in protocol_static['networks'][ansible_fqdn] %}
+        {{ ips_list.append(network['ip'] + '/' + network['mask_dash']) }}
+        {%- endfor %}
+        {%- endfor %}
+        {{ ips_list | join(', ') }}
+        
+  - name: Add dummy interface and add IPs
     community.general.nmcli:
       type: dummy
       conn_name: "{{ network_nm_iface }}"
-    ip4: |
+      ip4: "{{ ips }}"
-      [
+      mtu: "{{ network_nm_iface_mtu }}"
-      {% set ips = [] %}
-      {% for protocol_static in bird.bgp.static %}
-      {% for network in protocol_static['networks'][ansible_fqdn] %}
-      {{ ips.append(network['ip'] + '/' + network['mask_dash']) }}
-      {% endfor %}
-      {% endfor %}
-      "{{ ips | join(',') }}"
-      ]
       state: present
     notify:
       - Reload dummy interface
@@ -50,4 +55,3 @@
     state: started
     enabled: yes
     daemon_reload: yes
-