code: def trigger_actions(self, subsystem):
          
          for py3_module, trigger_action in self.udev_consumers[subsystem]:
              if trigger_action in ON_TRIGGER_ACTIONS:
                  self.py3_wrapper.log(
                      "%s udev event, refresh consumer %s"
                      % (subsystem, py3_module.module_full_name)
                  )
                  py3_module.force_update()
docs: Refresh all modules which subscribed to the given subsystem.