subnet-delete allowed with ports present

root@nodea27:/var/log/contrail# neutron net-create test_vn
Created a new network:
+-------------------------+--------------------------------------+
| Field | Value |
+-------------------------+--------------------------------------+
| admin_state_up | True |
| contrail:fq_name | default-domain |
| | admin |
| | test_vn |
| contrail:instance_count | 0 |
| id | 805ede65-4835-4bb7-8b84-889f7a4e673c |
| name | test_vn |
| router:external | False |
| shared | False |
| status | ACTIVE |
| subnets | |
| tenant_id | dda70580842542d3a4fe67b3a5337f6e |
+-------------------------+--------------------------------------+
root@nodea27:/var/log/contrail# neutron subnet-create test_vn 1.1.22.0/24
Created a new subnet:
+------------------+--------------------------------------------+
| Field | Value |
+------------------+--------------------------------------------+
| allocation_pools | {"start": "1.1.22.2", "end": "1.1.22.254"} |
| cidr | 1.1.22.0/24 |
| dns_nameservers | |
| enable_dhcp | True |
| gateway_ip | 1.1.22.1 |
| host_routes | |
| id | 685c752b-6e68-4f38-b6a2-d579521d5ab9 |
| ip_version | 4 |
| name | |
| network_id | 805ede65-4835-4bb7-8b84-889f7a4e673c |
| tenant_id | dda70580842542d3a4fe67b3a5337f6e |
+------------------+--------------------------------------------+
root@nodea27:/var/log/contrail# neutron port-create test_vn
Created a new port:
+---------------------+---------------------------------------------------------------------------------+
| Field | Value |
+---------------------+---------------------------------------------------------------------------------+
| admin_state_up | True |
| binding:vif_details | {"port_filter": true} |
| binding:vif_type | vrouter |
| device_id | |
| device_owner | |
| fixed_ips | {"subnet_id": "685c752b-6e68-4f38-b6a2-d579521d5ab9", "ip_address": "1.1.22.3"} |
| id | a42d0cdc-59ce-4ec8-9937-4087ebfc7117 |
| mac_address | 02:a4:2d:0c:dc:59 |
| name | a42d0cdc-59ce-4ec8-9937-4087ebfc7117 |
| network_id | 805ede65-4835-4bb7-8b84-889f7a4e673c |
| security_groups | c8e89fd3-c751-4bf1-84a2-58a217495472 |
| status | DOWN |
| tenant_id | dda70580842542d3a4fe67b3a5337f6e |
+---------------------+---------------------------------------------------------------------------------+
root@nodea27:/var/log/contrail# neutron subnet-delete 685c752b-6e68-4f38-b6a2-d579521d5ab9
Deleted subnet: 685c752b-6e68-4f38-b6a2-d579521d5ab9
root@nodea27:/var/log/contrail# neutron port-show a42d0cdc-59ce-4ec8-9937-4087ebfc7117
+---------------------+-----------------------------------------------+
| Field | Value |
+---------------------+-----------------------------------------------+
| admin_state_up | True |
| binding:vif_details | {"port_filter": true} |
| binding:vif_type | vrouter |
| device_id | |
| device_owner | |
| fixed_ips | {"subnet_id": null, "ip_address": "1.1.22.3"} |
| id | a42d0cdc-59ce-4ec8-9937-4087ebfc7117 |
| mac_address | 02:a4:2d:0c:dc:59 |
| name | a42d0cdc-59ce-4ec8-9937-4087ebfc7117 |
| network_id | 805ede65-4835-4bb7-8b84-889f7a4e673c |
| security_groups | c8e89fd3-c751-4bf1-84a2-58a217495472 |
| status | DOWN |
| tenant_id | dda70580842542d3a4fe67b3a5337f6e |
+---------------------+-----------------------------------------------+