chore: ansible-lint review (almost done)

roles/net_config/templates/systemd.network.j2

@@ -0,0 +1,29 @@
+# {{ ansible_managed }}
+# systemd.network(5)
+
+[Match]
+Name={{ interface.name }}
+
+[Address]
+Address={{ interface.ipv4.address }}
+{% if interface.ipv4.metric is defined %}
+RouteMetric={{ interface.ipv4.metric }}
+{% endif %}
+
+[Network]
+{% if interface.type is defined and interface.type == 'bridge' %}
+ConfigureWithoutCarrier=yes
+{% endif %}
+{% if interface.ipv4.nameservers is defined %}
+{% for dns in interface.ipv4.nameservers %}
+DNS={{ dns }}
+{% endfor %}
+{% endif %}
+
+{% if interface.ipv4.gateway is defined %}
+[Route]
+Gateway={{ interface.ipv4.gateway }}
+{% if interface.ipv4.metric is defined %}
+Metric={{ interface.ipv4.metric }}
+{% endif %}
+{% endif %}