{% if name_server_ipv4 is defined and name_server_ipv4 is not none %}
[dns]
{% for ns in name_server_ipv4 %}
dns{{ loop.index }}={{ ns }}
{% endfor %}
{% endif %}
{% if name_server_ipv6 is defined and name_server_ipv6 is not none %}
[ipv6-dns]
{% for ns in name_server_ipv6 %}
{{ ns }}
{% endfor %}
{% endif %}