Closes #5570: Add "management only" filter widget for interfaces list

netbox/dcim/forms.py

@@ -2687,6 +2687,12 @@ class InterfaceFilterForm(DeviceComponentFilterForm):
             choices=BOOLEAN_WITH_BLANK_CHOICES
         )
     )
+    mgmt_only = forms.NullBooleanField(
+        required=False,
+        widget=StaticSelect2(
+            choices=BOOLEAN_WITH_BLANK_CHOICES
+        )
+    )
     mac_address = forms.CharField(
         required=False,
         label='MAC address'

netbox/dcim/tables/devices.py

@@ -406,6 +406,7 @@ class BaseInterfaceTable(BaseTable):
 
 
 class InterfaceTable(DeviceComponentTable, BaseInterfaceTable, PathEndpointTable):
+    mgmt_only = BooleanColumn()
     tags = TagColumn(
         url_name='dcim:interface_list'
     )