Try to automate the interface names resolution.

tasks/network-interfaces.yml

@@ -30,7 +30,7 @@
         msg: "Interfaces list: {{ new_ints }}"
     - name: network-interfaces | Install the network interface file
       ansible.builtin.template:
-        src: 70-ansible.yaml.j2
+        src: netplan-70-ansible.yaml.j2
         dest: /etc/netplan/70-ansible.yaml
         owner: root
         group: root

templates/netplan-70-ansible.yaml.j2

@@ -1,7 +1,7 @@
 network:
     version: 2
     ethernets:
-{% for int in ubuntu_netplan_interfaces %}
+{% for int in new_ints %}
         {{ int.name }}:
             dhcp4: {{ int.dhcp4 }}
 {% if int.dhcp_overrides | default(true) %}