Bulk edit of VM interfaces raises an error

[dteknet]

NetBox version

3.6.4

Python version

3.8

Steps to Reproduce

1. Create a VM
2. Create two interfaces in VM (type: virtual)
3. Return to the list of VM interfaces
4. Select two VM interfaces
5. Press the "Edit selected" button

Expected Behavior

Edit dialog displayed

Observed Behavior

Exception raised

Internal Server Error: /virtualization/interfaces/edit/

AttributeError at /virtualization/interfaces/edit/ 'NoneType' object has no attribute 'site'

Request Method: POST
Request URL: https://netbox.domain.local/virtualization/interfaces/edit/?return_url=/virtualization/virtual-machines/1541/interfaces/
Django Version: 4.2.6
Python Executable: /opt/netbox/venv/bin/python3 Python Version: 3.8.10 Python Path: ['/opt/netbox/netbox', '/opt/netbox', '/opt/netbox/venv/bin', '/usr/lib/python38.zip', '/usr/lib/python3.8', '/usr/lib/python3.8/lib-dynload', '/opt/netbox/venv/lib/python3.8/site-packages']
Server time: Wed, 06 Dec 2023 10:43:27 +0200 Installed Applications:
['django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'django.contrib.humanize',
 'django.forms',
 'corsheaders',
 'debug_toolbar',
 'graphiql_debug_toolbar',
 'django_filters',
 'django_tables2',
 'django_prometheus',
 'graphene_django',
 'mptt',
 'rest_framework',
 'social_django',
 'taggit',
 'timezone_field',
 'core',
 'account',
 'circuits',
 'dcim',
 'ipam',
 'extras',
 'tenancy',
 'users',
 'utilities',
 'virtualization',
 'wireless',
 'django_rq',
 'drf_spectacular',
 'drf_spectacular_sidecar']
Installed Middleware:
['graphiql_debug_toolbar.middleware.DebugToolbarMiddleware',
 'django_prometheus.middleware.PrometheusBeforeMiddleware',
 'corsheaders.middleware.CorsMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 'django.middleware.security.SecurityMiddleware',
 'netbox.middleware.RemoteUserMiddleware',
 'netbox.middleware.CoreMiddleware',
 'netbox.middleware.MaintenanceModeMiddleware',
 'django_prometheus.middleware.PrometheusAfterMiddleware']

Traceback (most recent call last):
  File "/opt/netbox/venv/lib/python3.8/site-packages/django/core/handlers/exception.py", line 55, in inner
    response = get_response(request)
  File "/opt/netbox/venv/lib/python3.8/site-packages/django/core/handlers/base.py", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/opt/netbox/venv/lib/python3.8/site-packages/django/views/generic/base.py", line 104, in view
    return self.dispatch(request, *args, **kwargs)
  File "/opt/netbox/netbox/netbox/views/generic/base.py", line 77, in dispatch
    return super().dispatch(request, *args, **kwargs)
  File "/opt/netbox/netbox/utilities/views.py", line 99, in dispatch
    return super().dispatch(request, *args, **kwargs)
  File "/opt/netbox/venv/lib/python3.8/site-packages/django/views/generic/base.py", line 143, in dispatch
    return handler(request, *args, **kwargs)
  File "/opt/netbox/netbox/netbox/views/generic/bulk_views.py", line 642, in post
    form = self.form(initial=initial_data)
  File "/opt/netbox/netbox/virtualization/forms/bulk_edit.py", line 298, in __init__
    site = interface.virtual_machine.cluster.site

Exception Type: AttributeError at /virtualization/interfaces/edit/ Exception Value: 'NoneType' object has no attribute 'site'
Raised during: virtualization.views.VMInterfaceBulkEditView

[jeremystretch]

It looks like you've hit #14363, which was fixed in NetBox v3.6.6. Please try upgrading.