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** Changed in: neutron
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1669991

Title:
   neutron  dhcp-agent  WARNING stevedore.named

Status in neutron:
  Fix Released

Bug description:
  openstack newton:
   

  [root@controller01 ~]# tail -f /var/log/neutron/dhcp-agent.log
  2017-03-04 18:12:07.111 6704 INFO neutron.agent.dhcp.agent [req-add33e1e-d30a-4fe7-b8c7-98e0cc080c3c - - - - -] Trigger reload_allocations for port admin_state_up=True, allowed_address_pairs=[], binding:host_id=node6, binding:profile=, binding:vif_details=port_filter=True, binding:vif_type=bridge, binding:vnic_type=normal, created_at=2017-03-04T04:21:00Z, description=, device_id=ab59cf0c-59a7-48ab-8c5b-eb0a994d6dd0, device_owner=compute:nova, extra_dhcp_opts=[], fixed_ips=[{u'subnet_id': u'05c1147d-ba31-444b-ac06-e9f982025856', u'ip_address': u'10.64.42.19'}], id=c993ef5b-9520-4d93-a365-22e5437f90ab, mac_address=fa:16:3e:ff:78:f3, name=, network_id=8743c909-44a1-44d5-bc51-05336ac1675c, port_security_enabled=True, project_id=5ee81945a5384537a50492ac5236bf24, revision_number=20815, security_groups=[u'caf3b226-b296-457f-b0a5-dacfd06c952a'], status=BUILD, tenant_id=5ee81945a5384537a50492ac5236bf24, updated_at=2017-03-04T10:12:06Z
  2017-03-04 18:12:07.112 6704 WARNING stevedore.named [req-add33e1e-d30a-4fe7-b8c7-98e0cc080c3c - - - - -] Could not load neutron.agent.linux.interface.BridgeInterfaceDriver
  2017-03-04 18:12:07.461 6704 INFO neutron.agent.dhcp.agent [req-aeb76b6f-b6b0-46f5-b429-8eba53fcf2ab - - - - -] Trigger reload_allocations for port admin_state_up=True, allowed_address_pairs=[], binding:host_id=node6, binding:profile=, binding:vif_details=port_filter=True, binding:vif_type=bridge, binding:vnic_type=normal, created_at=2017-03-04T04:21:00Z, description=, device_id=ab59cf0c-59a7-48ab-8c5b-eb0a994d6dd0, device_owner=compute:nova, extra_dhcp_opts=[], fixed_ips=[{u'subnet_id': u'05c1147d-ba31-444b-ac06-e9f982025856', u'ip_address': u'10.64.42.19'}], id=c993ef5b-9520-4d93-a365-22e5437f90ab, mac_address=fa:16:3e:ff:78:f3, name=, network_id=8743c909-44a1-44d5-bc51-05336ac1675c, port_security_enabled=True, project_id=5ee81945a5384537a50492ac5236bf24, revision_number=20816, security_groups=[u'caf3b226-b296-457f-b0a5-dacfd06c952a'], status=ACTIVE, tenant_id=5ee81945a5384537a50492ac5236bf24, updated_at=2017-03-04T10:12:07Z
  2017-03-04 18:12:07.463 6704 WARNING stevedore.named [req-aeb76b6f-b6b0-46f5-b429-8eba53fcf2ab - - - - -] Could not load neutron.agent.linux.interface.BridgeInterfaceDriver


  neutron-linuxbridge-agent.service neutron-dhcp-agent.service   Service status is normal，Tried to restart the service。
  The warning still exists

  
  neutron config：
  [root@controller01 ~]# egrep -v "^#|^&" /etc/neutron/dhcp_agent.ini 
  [DEFAULT]
  interface_driver = neutron.agent.linux.interface.BridgeInterfaceDriver
  dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq
  enable_isolated_metadata = True
  [AGENT]

  
  [root@controller01 ~]# egrep -v "^#|^&" /etc/neutron/plugin.ini 
  [DEFAULT]
  [ml2]
  type_drivers = flat,vlan
  tenant_network_types = 
  mechanism_drivers = linuxbridge
  extension_drivers = port_security
  path_mtu = 1500
  physical_network_mtus =physnet1:1500 
  [ml2_type_flat]
  flat_networks = provider
  [ml2_type_geneve]
  [ml2_type_gre]
  [ml2_type_vlan]
  [ml2_type_vxlan]
  [securitygroup]
  enable_ipset = true

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