Comment 0 for bug 1378066

WIth DVR enabled, performing a 'neutron router-gateway-clear' creates a router namespace and a binding on every compute node.

root@Linux:~# neutron router-create router1
Created a new router:
+-----------------------+--------------------------------------+
| Field | Value |
+-----------------------+--------------------------------------+
| admin_state_up | True |
| distributed | True |
| external_gateway_info | |
| id | f31b9373-2946-48d8-b6d2-50596162febd |
| name | router1 |
| routes | |
| status | ACTIVE |
| tenant_id | 2b009be2540a458eaed8cf7d651fc68c |
+-----------------------+--------------------------------------+
root@Linux:~# neutron l3-agent-list-hosting-router f31b9373-2946-48d8-b6d2-50596162febd

root@Linux:~# neutron router-gateway-clear f31b9373-2946-48d8-b6d2-50596162febd
Removed gateway from router f31b9373-2946-48d8-b6d2-50596162febd
root@Linux:~# neutron l3-agent-list-hosting-router f31b9373-2946-48d8-b6d2-50596162febd
+--------------------------------------+--------------------------------------+----------------+-------+
| id | host | admin_state_up | alive |
+--------------------------------------+--------------------------------------+----------------+-------+
| 07615fcd-a9b3-4081-91e8-f0189a19a7f0 | overcloud-novacompute3-4aec3ezflrbp | True | :-) |
| 096fb891-a330-47d8-b215-6e6111763961 | overcloud-novacompute11-tb4nbhopurh3 | True | :-) |
| 11c6e8da-06f6-4546-a4bc-5604c51d4027 | overcloud-novacompute16-73uyrqna65cv | True | :-) |
| 2b1f019c-0996-4bb3-83ac-10f2282d7e04 | overcloud-novacompute17-bwxlkqfqmcq2 | True | :-) |
| 30f22724-267e-452b-b20f-37b517d9fb3b | overcloud-novacompute13-v7wnrei5vcfl | True | :-) |
| 40cf7636-b639-4597-8fea-2e55a3caf168 | overcloud-novacompute21-3hnnn2o675kv | True | :-) |
| 42437ccf-0462-4eb9-824c-4799f43b5af9 | overcloud-novacompute0-4livrqcyum64 | True | :-) |
| 573002a3-ef18-4f09-9d44-ebdb726e586a | overcloud-novacompute5-gxw6y4tcwta5 | True | :-) |
| 60e730e2-9ea3-444b-806a-177440fc37fd | overcloud-novacompute19-3caohck3xtpm | True | :-) |
| 6f8a3d30-e7a3-4110-b7a0-4631ca5e6389 | overcloud-novacompute12-uqpqd3soidmb | True | :-) |
| 796cf9ea-ff66-4615-9e24-5d65e11195a7 | overcloud-novacompute20-2xj2chsys4ux | True | :-) |
| 7a6a0342-b6e8-461f-b691-5913883dd5b1 | overcloud-novacompute6-5x7azyiif3h6 | True | :-) |
| 7d6ebb2a-8e33-436e-a7ea-0a23dcbc26ab | overcloud-novacompute10-cuv6kw35ijvq | True | :-) |
| 9444f292-2d9c-4b26-abf5-10c64c9713c5 | overcloud-novacompute15-si3luwq2wear | True | :-) |
| 98a5b703-504a-43fe-975c-430fb42ca61f | overcloud-novacompute18-5yo7fwdu3tgi | True | :-) |
| 998f7067-75d8-44b9-a651-8d1f1acca062 | overcloud-novacompute8-j5fo4tv2ssye | True | :-) |
| 9ec538c4-60b6-4606-9571-d108764607d3 | overcloud-novacompute9-vcvfpdyybn34 | True | :-) |
| b9fc298b-8e16-4d57-adea-5fde05c80065 | overcloud-novacompute1-spsmzbnh5gwl | True | :-) |
| c5a0aa20-714a-406f-bdcd-e464b4dfd5ef | overcloud-novacompute7-tuj4iztu6fkp | True | :-) |
| c978b1df-b092-43a1-9e2e-ebfd5cd66036 | overcloud-novacompute14-qzrhkxdr76wa | True | :-) |
| d644d186-67ee-4ac3-a225-66eef8de2b6c | overcloud-novacompute22-3gh5njls4osi | True | :-) |
| f9381ac1-5605-448e-8916-9900b26218bb | overcloud-novacompute2-wyzyfitbpq3i | True | :-) |
+--------------------------------------+--------------------------------------+----------------+-------+