linux-formula/linux/files/collectd_netlink.conf

<LoadPlugin netlink>
  Globals false
</LoadPlugin>

<Plugin netlink>
  {%- for interface_name in plugin.get('interfaces', []) %}
  VerboseInterface "{{ interface_name }}"
  {%- endfor %}
  IgnoreSelected {{ plugin.get('ignore_selected', False)|lower }}
</Plugin>