xoxys.network/templates/etc/sysconfig/network-scrips/ifcfg.j2

#jinja2: lstrip_blocks: True
{{ ansible_managed | comment }}
DEVICE="{{ item.key }}"
{% for key, value in item.value.items() %}
  {% if key | lower == "dns" and not value is string and value is iterable %}
    {% for item in value -%}
      DNS{{ loop.index }}={{ item }}
    {% endfor %}
  {% else %}
  {{- key | upper }}={{ value }}
  {% endif %}
{% endfor %}