code: def network_delete_notif(self, tenant_id, tenant_name, net_id):
          
          for ip in self.obj_dict:
              drvr_obj = self.obj_dict.get(ip).get('drvr_obj')
              ret = drvr_obj.network_delete_notif(tenant_id, tenant_name,
                                                  net_id)
              LOG.info("Driver with IP %(ip)s return %(ret)s for network "
                       "delete notification", {'ip': ip, 'ret': ret})
docs: Notification for Network delete.
  
          Since FW ID not present, it's not possible to know which FW instance
          to call. So, calling everyone, each instance will figure out if it
          applies to them.