{% if not(item.shutdown is defined) or not(item.shutdown) %}
auto {{ item.key }}
{% endif %}

{% if 'ipv4' in item.value %}
{%- set props = item.value.ipv4 -%}
iface {{ item.key }} inet {{ props.method }}
{% if props.method == 'static' %}
	address {{ props.address }}
	{% if 'nameservers' in props -%}
	dns-nameservers {{ props.nameservers | join(' ') }}
	{% endif -%}
	{% if 'gateway' in props -%}
	{% if not(props.metric is defined) -%}
	gateway {{ props.gateway }}
	{% else -%}
	post-up   /sbin/ip route add default via {{ props.gateway }} dev {{ item.key }} metric {{ props.metric }}
	post-down /sbin/ip route del default via {{ props.gateway }} dev {{ item.key }} metric {{ props.metric }}
	{% endif -%}
	{% endif -%}
{%- endif %}
{% endif %}

{% if 'ipv6' in item.value -%}
{%- set props = item.value.ipv6 -%}
iface {{ item.key }} inet6 {{ props.method }}
{% if props.method == 'static' %}
	address {{ props.address }}
	{% if 'nameservers' in props -%}
	dns-nameservers {{ props.nameservers | join(' ') }}
	{% endif -%}
	{% if 'gateway' in props -%}
	{% if not(props.metric is defined) -%}
	gateway {{ props.gateway }}
	{% else -%}
	post-up   /sbin/ip -6 route add default via {{ props.gateway }} dev {{ item.key }} metric {{ props.metric }}
	post-down /sbin/ip -6 route del default via {{ props.gateway }} dev {{ item.key }} metric {{ props.metric }}
	{% endif -%}
	{% endif -%}
{%- endif %}
{% endif %}