No router namespace after creating legacy router

After creating legacy router there are no router namespace on all controllers.

In neutron server log we can see:
2015-12-28 15:13:31.396 2490 DEBUG neutron.scheduler.l3_agent_scheduler [req-12d0d02c-8357-416e-9031-ae977493a739 35621d0df7ab45f3913905688e07abe6 edd49e6578a14d4f91e0262ba13382e8 - - -] Router 0f623aac-77a4-438a-b1a3-19b508f2aa58 is scheduled to L3 agent 16b37f34-4dc9-4f52-8ec4-253ddd1d2f6e bind_router /usr/lib/python2.7/dist-packages/neutron/scheduler/l3_agent_scheduler.py:227
2015-12-28 15:13:31.408 2490 DEBUG neutron.api.rpc.agentnotifiers.l3_rpc_agent_api [req-12d0d02c-8357-416e-9031-ae977493a739 35621d0df7ab45f3913905688e07abe6 edd49e6578a14d4f91e0262ba13382e8 - - -] Notify agent at l3_agent.node-5.domain.tld the message routers_updated _agent_notification /usr/lib/python2.7/dist-packages/neutron/api/rpc/agentnotifiers/l3_rpc_agent_api.py:70
2015-12-28 15:13:31.410 2490 DEBUG oslo_messaging._drivers.amqpdriver [req-12d0d02c-8357-416e-9031-ae977493a739 35621d0df7ab45f3913905688e07abe6 edd49e6578a14d4f91e0262ba13382e8 - - -] CAST unique_id: 3463b5625e5b492683ecc91d3f27f802 exchange 'neutron' topic 'l3_agent' _send /usr/lib/python2.7/dist-packages/oslo_messaging/_drivers/amqpdriver.py:479

But this information didn't mentioned in l3-agent log

Steps:
run script
neutron net-create net_EW_1
neutron subnet-create --name net_EW_1__subnet net_EW_1 10.1.1.0/24

neutron net-create net_EW_2
neutron subnet-create --name net_EW_2__subnet net_EW_2 10.1.2.0/24

neutron router-create --distributed False router_EW
neutron router-gateway-set router_EW admin_floating_net
neutron router-interface-add router_EW net_EW_2__subnet
neutron router-interface-add router_EW net_EW_1__subnet

NODE_1="node-4.domain.tld"
NODE_2="node-7.domain.tld"

NET_ID_1=$(neutron net-list | grep net_EW_1 | awk '{print$2}')
nova boot vm_EW_1 --flavor 1 --image TestVM --availability-zone nova:$NODE_1 --nic net-id=$NET_ID_1

NET_ID_2=$(neutron net-list | grep net_EW_2 | awk '{print$2}')
nova boot vm_EW_2 --flavor 1 --image TestVM --availability-zone nova:$NODE_2 --nic net-id=$NET_ID_2

After this script there are no qrouter-namespace on controllers

Find on:
VERSION:
  feature_groups:
    - mirantis
  production: "docker"
  release: "8.0"
  api: "1.0"
  build_number: "361"
  build_id: "361"
  fuel-nailgun_sha: "53c72a9600158bea873eec2af1322a716e079ea0"
  python-fuelclient_sha: "4f234669cfe88a9406f4e438b1e1f74f1ef484a5"
  fuel-agent_sha: "7463551bc74841d1049869aaee777634fb0e5149"
  fuel-nailgun-agent_sha: "92ebd5ade6fab60897761bfa084aefc320bff246"
  astute_sha: "c7ca63a49216744e0bfdfff5cb527556aad2e2a5"
  fuel-library_sha: "ba8063d34ff6419bddf2a82b1de1f37108d96082"
  fuel-ostf_sha: "889ddb0f1a4fa5f839fd4ea0c0017a3c181aa0c1"
  fuel-mirror_sha: "8adb10618bb72bb36bb018386d329b494b036573"
  fuelmenu_sha: "824f6d3ebdc10daf2f7195c82a8ca66da5abee99"
  shotgun_sha: "63645dea384a37dde5c01d4f8905566978e5d906"
  network-checker_sha: "9f0ba4577915ce1e77f5dc9c639a5ef66ca45896"
  fuel-upgrade_sha: "616a7490ec7199f69759e97e42f9b97dfc87e85b"
  fuelmain_sha: "07d5f1c3e1b352cb713852a3a96022ddb8fe2676"

Attach all logs