Fixes #5444: Don't force overwriting of mgmt_only when bulk editing interfaces

docs/release-notes/version-2.10.md

@@ -4,6 +4,7 @@
 
 ### Bug Fixes
 
+* [#5444](https://github.com/netbox-community/netbox/issues/5444) - Don't force overwriting of `mgmt_only` when bulk editing interfaces
 * [#5450](https://github.com/netbox-community/netbox/issues/5450) - API serializer foreign count fields do not have a default value
 * [#5453](https://github.com/netbox-community/netbox/issues/5453) - Correct change log representation when creating a cable
 * [#5458](https://github.com/netbox-community/netbox/issues/5458) - Creating a component template throws an exception

netbox/dcim/forms.py

@@ -2839,7 +2839,7 @@ class InterfaceBulkCreateForm(
 
 class InterfaceBulkEditForm(
     form_from_model(Interface, [
-        'label', 'type', 'enabled', 'lag', 'mac_address', 'mtu', 'mgmt_only', 'description', 'mode'
+        'label', 'type', 'enabled', 'lag', 'mac_address', 'mtu', 'description', 'mode'
     ]),
     BootstrapMixin,
     AddRemoveTagsForm,
@@ -2855,6 +2855,11 @@ class InterfaceBulkEditForm(
         disabled=True,
         widget=forms.HiddenInput()
     )
+    mgmt_only = forms.NullBooleanField(
+        required=False,
+        widget=BulkEditNullBooleanSelect,
+        label='Management only'
+    )
     untagged_vlan = DynamicModelChoiceField(
         queryset=VLAN.objects.all(),
         required=False,