instancehandler/template/modal/instance_create_pdu.html

<div class="modal" id="modal_new_pdu" xmlns="http://www.w3.org/1999/html">
    <div class="modal-dialog modal-lg">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">×</span></button>
                <h4 class="modal-title">New PDU</h4>
            </div>
            <form id="formCreatePDU" action='{% url "instances:create" type='pdu' %}'
                  class="form-horizontal"
                  method="post" enctype="multipart/form-data">
                {% csrf_token %}
                <div class="modal-body" id="modal_new_pdu_body">
                        <div id="pdu_base_div">

                                <div class="form-group">
        
                                    <label for="pdu_name" class="col-sm-2">Name *</label>
                                    <div class="col-sm-3">
                                        <input class="form-control" id="pdu_name" name="name" placeholder="Name" required>
                                    </div>
        
                                    <label for="pdu_type" class="col-sm-2">PDU type *</label>
                                    <div class="col-sm-3">
                                        <input class="form-control" id="pdu_type" name="pdu_type" placeholder="Type" required>
                                    </div>
                                </div>
                                <div class="form-group">
                                    <label for="pdu_vim_accounts" class="col-sm-2">Vim Accounts *</label>
                                    <div class="col-sm-6">
                                            <select required id="pdu_vim_accounts" class="js-example-basic-multiple form-control" name="pdu_vim_accounts"
                                            multiple="multiple">
                                            </select>
                                    </div>
                                </div>
        
                            </div>
                            <div class="row">
                                    <h4 class="col-sm-4">Interfaces:</h4>
                                </div>
                            <div id="interfaces_div">
                                
                                <div class="interface-group">
                                    <button type="button" class="btn btn-success btn-add btn-sm pull-right">+</button>
                                    <div class="form-group">
                                        <label for="interfaces_name" class="col-sm-2">Name</label>
                                        <div class="col-sm-3">
                                            <input name="interfaces_name" class="form-control input-sm" required>
                                        </div>
                                        <label for="interfaces_name" class="col-sm-2">IP</label>
                                        <div class="col-sm-3">
                                            <input name="interfaces_ip" class="form-control input-sm" required>
                                        </div>
                                    </div>
                                    <div class="form-group">
                                        <label for="interfaces_mgmt" class="col-sm-2">Mgmt</label>
                                        <div class="col-sm-3">
                                                <select name="interfaces_mgmt" id="interfaces_mgmt" class="form-control">
                                                    <option value="false">False</option>
                                                    <option value="true">True</option>
                                                </select>
                                        </div>
                                        <label for="interfaces_vimnetname" class="col-sm-2">Net name</label>
                                        <div class="col-sm-3">
                                            <input id="interfaces_vimnetname" name="interfaces_vimnetname" class="form-control input-sm" required>
                                        </div>
                                    </div>
                                </div>
                            </div>
                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default pull-left" data-dismiss="modal">Cancel</button>
                    <button class="btn btn-primary"
                            data-loading-text="<i class='fa fa-circle-o-notch fa-spin'></i> Creating..."
                            id="create_new_pdu">Create
                    </button>

                </div>
            </form>
        </div>
        <!-- /.modal-content -->
    </div>
    <!-- /.modal-dialog -->
</div>