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[Bruno Bompastor <bruno.bompastor@xxxxxxx>]

** Changed in: nova
       Status: Opinion => Confirmed

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https://bugs.launchpad.net/bugs/1376596

Title:
  Cannot start nova-network on juno-1

Status in OpenStack Compute (nova):
  Confirmed

Bug description:
  Hi!

  I was testing packstack --allinone on "RDO test day Juno milestone 3"
  and i cannot start nova-network.

  OS: CentOS7
  Openstack version: juno-1
  Packstack cmd: packstack --allinone --os-neutron-install=n --os-heat-cfn-install=y --os-heat-install=y --use-epel=y

  Error:

  2014-10-01 18:17:53.853 6108 AUDIT nova.service [-] Starting network node (version 2014.2-0.4.b3.el7.centos)
  2014-10-01 18:17:54.055 6108 ERROR nova.openstack.common.threadgroup [-] Failed to add interface: can't add lo to bridge br100: Invalid argument
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup Traceback (most recent call last):
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/openstack/common/threadgroup.py", line 125, in wait
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     x.wait()
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/openstack/common/threadgroup.py", line 47, in wait
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     return self.thread.wait()
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 173, in wait
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     return self._exit_event.wait()
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/eventlet/event.py", line 121, in wait
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     return hubs.get_hub().switch()
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 293, in switch
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     return self.greenlet.switch()
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 212, in main
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     result = function(*args, **kwargs)
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/openstack/common/service.py", line 492, in run_service
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     service.start()
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/service.py", line 164, in start
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     self.manager.init_host()
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/network/manager.py", line 1776, in init_host
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     super(FlatDHCPManager, self).init_host()
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/network/manager.py", line 334, in init_host
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     self._setup_network_on_host(ctxt, network)
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/network/manager.py", line 1785, in _setup_network_on_host
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     self._initialize_network(network)
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/network/manager.py", line 1451, in _initialize_network
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     self.l3driver.initialize_gateway(network)
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/network/l3.py", line 105, in initialize_gateway
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     gateway=(network_ref['gateway'] is not None))
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/network/linux_net.py", line 1411, in plug
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     return _get_interface_driver().plug(network, mac_address, gateway)
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/network/linux_net.py", line 1460, in plug
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     network, gateway)
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/openstack/common/lockutils.py", line 325, in inner
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     return f(*args, **kwargs)
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup   File "/usr/lib/python2.7/site-packages/nova/network/linux_net.py", line 1575, in ensure_bridge
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup     raise exception.NovaException(msg)
  2014-10-01 18:17:54.055 6108 TRACE nova.openstack.common.threadgroup NovaException: Failed to add interface: can't add lo to bridge br100: Invalid argument

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