Interfaces to be deleted:
{% for nic in object.interface_set.all %}
- {{ nic }}
{% endfor %}
All connected interfaces to be converted to master interfaces:
{% for nic in object.interface_set.all %}
{% ifequal nic.link nic %}
{% for interlink in nic.link.interface_set.all %}
{% ifnotequal interlink nic %}
- {{ interlink }}
{% endifnotequal %}
{% endfor %}
{% endifequal %}
{% endfor %}