Neutron error: no DHCP agents

Looks like this is https://bugs.launchpad.net/neutron/+bug/1289130, but this is fixed only in OpenStack IceHouse and this issue will reproduced in MOS (Fuel) 4.1.1

Steps To Reproduce:
1. Create cluster with 4 controller and 45 compute nodes on baremetal servers.
2. Start performance tests.

Observed Result:
Eror messages in Neutron logs:

<167>May 29 23:32:46 node-236 neutron-server 2014-05-29 23:32:39.840 14935 WARNING neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api [-] Only 0 of 1 DHCP agents associated with network '410b31cd-b7b1-418a-acd8-432fe6e7cf9f' are marked as active, so notifications may be sent to inactive agents.

<167>May 29 23:32:46 node-236 neutron-server 2014-05-29 23:32:40.929 14958 WARNING neutron.scheduler.dhcp_agent_scheduler [-] No more DHCP agents
<167>May 29 23:32:46 node-236 neutron-server 2014-05-29 23:32:40.929 14958 WARNING neutron.db.agentschedulers_db [-] Fail scheduling network {'status': u'ACTIVE', 'subnets': [u'2644e9d4-d519-4f6e-bd60-dd70df6877cb'], 'name': u'ctx_rally_5b85c918dafe4b1294d438c1c9183c52_network', 'provider:physical_network': None, 'admin_state_up': True, 'tenant_id': u'5b85c918dafe4b1294d438c1c9183c52', 'provider:network_type': u'gre', 'router:external': False, 'shared': False, 'id': u'784fd2dc-9164-4ac6-b336-45f393f1da64', 'provider:segmentation_id': 4L}
<167>May 29 23:32:46 node-236 neutron-server 2014-05-29 23:32:40.933 14958 WARNING neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api [-] Only 0 of 1 DHCP agents associated with network '784fd2dc-9164-4ac6-b336-45f393f1da64' are marked as active, so notifications may be sent to inactive agents.

<167>May 29 23:32:46 node-236 neutron-server 2014-05-29 23:32:45.945 14951 WARNING neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api [-] Only 0 of 1 DHCP agents associated with network '410b31cd-b7b1-418a-acd8-432fe6e7cf9f' are marked as active, so notifications may be sent to inactive agents.