{%- set used_interfaces = [] %}
{%- for net in provider_networks %}
  {%- if net.network.container_interface not in used_interfaces %}
    {%- for group in net.network.group_binds %}
      {%- if group in hostvars[inventory_hostname]['group_names'] %}
        {%- if net.network.container_interface not in used_interfaces %}
          {%- if used_interfaces.append(net.network.container_interface) %}{%- endif %}
        {%- endif %}
      {%- endif %}
    {%- endfor %}
{% if net.network.container_interface in used_interfaces %}
{% if net.network.container_bridge != management_bridge %}
# Create a veth pair within the container
lxc.network.type = veth
# Network device within the container
lxc.network.name = {{ net.network.container_interface }}
# Host link to attach to, this should be a bridge
lxc.network.link = {{ net.network.container_bridge }}
# Hardware Address
lxc.network.hwaddr = 00:16:3e:xx:xx:xx
# enable the device on boot
lxc.network.flags = up

{% endif %}
{% endif %}
{%- endif %}
{%- endfor %}
# All used used interfaces built from the provider_networks array
# Devices: {{ used_interfaces }}