Interfaces to be deleted:
<ol>
{% for nic in  object.interface_set.all %}
<li>{{ nic }}</li>
{% endfor %}
</ol>

All connected interfaces to be converted to master interfaces:
<ol>
{% for nic in  object.interface_set.all %}
	{% ifequal nic.link nic %}
		{% for interlink in nic.link.interface_set.all %}
			{% ifnotequal interlink nic %}
			<li> {{ interlink }}</li>
			{% endifnotequal %}
		{% endfor %}
	{% endifequal %}
{% endfor %}
</ol>
