[Match]
{% set iface = configuration_iface %}
{% if iface.name | default('') | string | length %}
Name={{ iface.name }}
{% else %}
{# First available ethernet by name glob + device type, never a MAC (#12). #}
Name=en* eth*
Type=ether
{% endif %}

[Network]
{% if iface.ip | default('') | string | length %}
Address={{ iface.ip }}/{{ iface.prefix }}
{% if iface.gateway | default('') | string | length %}
Gateway={{ iface.gateway }}
{% endif %}
{% else %}
DHCP=yes
{% endif %}
{% if idx | int == 0 and configuration_dns_list %}
{% for dns in configuration_dns_list %}
DNS={{ dns }}
{% endfor %}
{% if configuration_dns_search %}
Domains={{ configuration_dns_search | join(' ') }}
{% endif %}
{% endif %}