This is caused by a neutron subnetpool and gateway implementation.
The easiest way to reproduce is: "neutron -v subnet-create --no-gateway --use-default-subnetpool net3" or use compatible osc command.
Even though {"subnet": {"network_id": "e8a2c627-d296-4504-9e87-9f2a97dbaa89", "ip_version": 4, "gateway_ip": null, "use_default_subnetpool": true}} is passed to the neutron server, the created subnet has a gateway.
This is caused by a neutron subnetpool and gateway implementation. subnetpool net3" or use compatible osc command.
The easiest way to reproduce is: "neutron -v subnet-create --no-gateway --use-default-
Even though {"subnet": {"network_id": "e8a2c627- d296-4504- 9e87-9f2a97dbaa 89", "ip_version": 4, "gateway_ip": null, "use_default_ subnetpool" : true}} is passed to the neutron server, the created subnet has a gateway.