[Rdo-list] Issues with rdo-release-4 and external networking / br-tun

[uberj]

Hello,

I'm attempting to get rdo working on Centos6.5 with external networking. 
I am following the steps outlined on 
http://openstack.redhat.com/Neutron_with_existing_external_network

To install openstack, I'm running the following commands:

         sudo yum -y update
         sudo yum install -y http://rdo.fedorapeople.org/rdo-release.rpm
         sudo yum install -y openstack-packstack
         packstack --allinone --provision-all-in-one-ovs-bridge=n
    --os-client-install=y --os-heat-install=y


After it completes I do 'tail -f /var/log/neutron/*.log' and then 
'service neutron-openvswitch-agent restart'. In the neutron log I see 
the following errors:

    2014-07-18 16:06:03.255 28794 ERROR neutron.agent.linux.ovs_lib
    [req-2fc4abd3-483a-4476-b14d-78c09b04368c None] Unable to execute
    ['ovs-ofctl', 'del-flows', 'br-tun']. Exception:
    Command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf',
    'ovs-ofctl', 'del-flows', 'br-tun']
    Exit code: 1
    Stdout: ''
    Stderr: 'ovs-ofctl: br-tun is not a bridge or a socket\n'
    2014-07-18 16:06:03.325 28794 ERROR neutron.agent.linux.ovs_lib
    [req-2fc4abd3-483a-4476-b14d-78c09b04368c None] Unable to execute
    ['ovs-ofctl', 'add-flow', 'br-tun',
    'hard_timeout=0,idle_timeout=0,priority=1,in_port=1,actions=resubmit(,1)'].
    Exception:
    Command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf',
    'ovs-ofctl', 'add-flow', 'br-tun',
    'hard_timeout=0,idle_timeout=0,priority=1,in_port=1,actions=resubmit(,1)']
    Exit code: 1
    Stdout: ''
    Stderr: 'ovs-ofctl: br-tun is not a bridge or a socket\n'
    2014-07-18 16:06:03.380 28794 ERROR neutron.agent.linux.ovs_lib
    [req-2fc4abd3-483a-4476-b14d-78c09b04368c None] Unable to execute
    ['ovs-ofctl', 'add-flow', 'br-tun',
    'hard_timeout=0,idle_timeout=0,priority=0,actions=drop']. Exception:
    Command: ['sudo', 'neutron-rootwrap', '/etc/neutron/rootwrap.conf',
    'ovs-ofctl', 'add-flow', 'br-tun',
    'hard_timeout=0,idle_timeout=0,priority=0,actions=drop']
    Exit code: 1
    Stdout: ''
    Stderr: 'ovs-ofctl: br-tun is not a bridge or a socket\n'


When I go to look for br-tun I do 'ovs-vsctl show' and I'll *sometimes* see:

    ...
         Bridge br-tun
             Port br-tun
                 Interface br-tun
                     type: internal
    ...

Now, this is kind of weird, but if I do "watch -n 0.5 ovs-vsctl show" I 
don't always see br-tun! In fact the br-tun seems to jump around a lot 
(sometimes its there, sometimes its listed above br-ex, sometimes below.)

More info:

    [root at localhost ~]# ovsdb-server --version
    ovsdb-server (Open vSwitch) 1.11.0
    Compiled Jul 30 2013 18:14:53
    [root at localhost ~]# ovs-vswitchd --version
    ovs-vswitchd (Open vSwitch) 1.11.0
    Compiled Jul 30 2013 18:14:54
    OpenFlow versions 0x1:0x1


Any help would be appreciated.

-- 
(uberj) Jacques Uber
Mozilla IT

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