Comment 0 for bug 1701410

In master environment, it is different behavior when we try to delete with
request body. I fixed it in [1] but network/subnet/port doesn't pass this code:

[1] https://github.com/openstack/neutron/blame/master/neutron/api/v2/base.py#L555

[FloatingIP, Router]
$ source ~/devstack/openrc admin admin; export TOKEN=`openstack token issue | grep ' id ' | get_field 2`
$ curl -i -X DELETE -d '{"floatingip":{"description": "aaa"}}' -H "content-type:application/json" -H 'accept:application/json' -H "x-auth-token:$TOKEN" 192.168.122.33:9696/v2.0/floatingips/f4e9b845-4472-4806-bd7a-bec8f7618af2
HTTP/1.1 400 Bad Request
Content-Length: 113
Content-Type: application/json
X-Openstack-Request-Id: req-deaffdb3-7c13-4604-89d0-78fbcc184ef5
Date: Fri, 30 Jun 2017 00:56:56 GMT

{"NeutronError": {"message": "Request body is not supported in DELETE.", "type": "HTTPBadRequest", "detail": ""}}

$ curl -i -X DELETE -d '{"router": {"name": "aaa"}}' -H "content-type:application/json" -H 'accept:application/json' -H "x-auth-token:$TOKEN" 192.168.122.33:9696/v2.0/routers/1d0ea30e-c481-4be3-a548-a659d9e3787c
HTTP/1.1 400 Bad Request
Content-Length: 113
Content-Type: application/json
X-Openstack-Request-Id: req-a2f9babb-4eb3-471e-9b42-ccfe722c44f0
Date: Fri, 30 Jun 2017 01:44:40 GMT

{"NeutronError": {"message": "Request body is not supported in DELETE.", "type": "HTTPBadRequest", "detail": ""}}

[Network/Subnet/Port]
$ source ~/devstack/openrc admin admin; export TOKEN=`openstack token issue | grep ' id ' | get_field 2`
$ curl -i -X DELETE -d '{"network":{"name": "aaaa"}}' -H "content-type:application/json" -H 'accept:application/json' -H "x-auth-token:$TOKEN" 192.168.122.33:9696/v2.0/networks/1fb94931-dabe-49dc-bce4-68c8bafea8b0

HTTP/1.1 204 No Content
Content-Length: 0
X-Openstack-Request-Id: req-7e838c38-e6cd-46c3-8703-c93f5bb4a503
Date: Fri, 30 Jun 2017 01:32:12 GMT

$ curl -i -X DELETE -d '{"subnet": {"name": "aaa"}}' -H "content-type:application/json" -H 'accept:application/json' -H "x-auth-token:$TOKEN" 192.168.122.33:9696/v2.0/subnets/a18fb191-2a89-4193-80d1-5330a8052d64

HTTP/1.1 204 No Content
Content-Length: 0
X-Openstack-Request-Id: req-901476cf-7e87-4b7c-ab20-209b81d2eb25
Date: Fri, 30 Jun 2017 01:37:01 GMT

$ curl -i -X DELETE -d '{"port": {"name": "aaa"}}' -H "content-type:application/json" -H 'accept:application/json' -H "x-auth-token:$TOKEN" 192.168.122.33:9696/v2.0/ports/47f2c36a-7461-4c1a-a23e-931d5aee3f9c

HTTP/1.1 204 No Content
Content-Length: 0
X-Openstack-Request-Id: req-48452706-6309-42c2-ac80-f0f4e387060e
Date: Fri, 30 Jun 2017 01:37:33 GMT