re-add deleted handling of unmanaged interfaces

inventory_provider/tasks/worker.py

@@ -215,18 +215,6 @@ def _unmanaged_interfaces(self):
         _convert,
         InventoryTask.config.get('unmanaged-interfaces', []))
 
-    # if interfaces:
-    #     r = get_next_redis(InventoryTask.config)
-    #     rp = r.pipeline()
-    #     for ifc in interfaces:
-    #         rp.set(
-    #             f'reverse_interface_addresses:{ifc["name"]}',
-    #             json.dumps(ifc))
-    #         rp.set(
-    #             f'subnets:{ifc["interface address"]}',
-    #             json.dumps([ifc]))
-    #     rp.execute()
-
 
 @app.task(base=InventoryTask, bind=True, name='update_access_services')
 @log_task_entry_and_exit
@@ -710,6 +698,10 @@ def _build_subnet_db(update_callback=lambda s: None):
             entry = subnets.setdefault(ifc['interface address'], [])
             entry.append(ifc)
 
+    for ifc in _unmanaged_interfaces():
+        entry = subnets.setdefault(ifc['interface address'], [])
+        entry.append(ifc)
+
     update_callback('saving {} subnets'.format(len(subnets)))
 
     rp = r.pipeline()