Second interface name as standalone variable

defaults/main.yml

@@ -26,8 +26,9 @@ sysctl_custom_options: []
 #   sysctlfile_state: '{{ sysctl_custom_file_state }}'
 
 ubuntu_configure_additional_interfaces: true
+ubuntu_second_int_name: "enp8s0"
 ubuntu_netplan_interfaces:
-  - name: "enp8s0"
+  - name: "{{ ubuntu_second_int_name }}"
     dhcp4: true
     mtu: "{{ ansible_enp8s0.mtu }}"
 disable_ipv6: false