docs: def set_current_value(self, value):
          """Set the detected IP in the current run (if any)."""
          self._oldvalue = self.get_current_value()
          self._currentvalue = value
          if self._oldvalue != value:
              # self.notify_observers("new_ip_detected", {"ip": value})
              LOG.debug("%s.set_current_value(%s)", self.__class__.__name__, value)
          return value