---
systemd_link__links:
  adm0: 04:00:00:2a:6e:be
  int0: 04:00:00:3c:c0:5a

ifupdown2__interfaces:
  adm0:
    addresses:
      - 2a09:6840:128::10:103/64
      - 10.128.10.103/16
  int0:
    addresses:
      - 2a09:6840:206::1:2/64
      - 10.206.1.2/16
    gateways: "{{ ifupdown2__gateways.int }}"
...