---
systemd_link__links:
  adm0: 02:00:00:38:c2:52
  int0: 02:00:00:fe:a8:54

ifupdown2__interfaces:
  adm0:
    addresses:
      - 2a09:6840:128::10:8/64
      - 10.128.10.8/16
  int0:
    addresses:
      - 2a09:6840:206::1:3/64
      - 10.206.1.7/16
    gateways: "{{ ifupdown2__gateways.int }}"
...