I have the same problem here and I solve it with this:

/etc/network/interfaces:
# The primary network interface
auto br100
iface br100 inet static
        # To disable Open vSwitch and return to Linux Bridge module,
just comment next line:
        pre-up /etc/network/enable-ovs-brcompat.sh
        address 10.32.14.232
        netmask 255.255.255.0
        network 10.32.14.0
        broadcast 10.32.14.255
        gateway 10.32.14.1
        # dns-* options are implemented by the resolvconf package, if
installed
        dns-nameservers 10.32.14.1
        dns-search domain.com
        bridge_ports eth0
        bridge_stp off
        bridge_maxwait 0
        bridge_fd 0

/etc/network/enable-ovs-brcompat.sh:
----
#! /bin/sh

rmmod bridge
/etc/init.d/openvswitch-switch restart
----
chmod +x /etc/network/enable-ovs-brcompat.sh


 It is ugly but, works.

Best,
Thiago

On 30 January 2013 04:17, Hong Wayne <wayne21...@gmail.com> wrote:

> Hello Ben:
>
>
> Thanks for your replying.
>
> I look the following information, and I find some solutions:
>
> brcompat_mod: exports duplicate symbol br_should_route_hook (owned by
> bridge)
>
>
> I think the problem is brcompat module not loaded due to bridge module
> prevent it.
>
> And I edit /etc/modprobe.d/blacklist to Add: blacklist bridge
>
> But when I delete the bridge-utils package ( apt-get purge bridge-utils ),
> it also delete libvirt and kvm relative packages...
>
> So I take measure to remove bridge module by using rmmod command and
> restart the OVS, and it works.
>
> Thanks again for your helping.
>
>
> Wayne.
>
>
>
> 2013/1/29 Ben Pfaff <b...@nicira.com>
>
>> On Tue, Jan 29, 2013 at 09:08:49PM +0800, Hong Wayne wrote:
>> > #ovs-vsctl show
>> > Jan 29 19:43:35|00001|stream_unix|ERR|/tmp/stream-unix.2729.0:
>> connection
>> > to /var/run/openvswitch/db.sock failed: No such file or directory
>>
>> ovsdb-server isn't running.  I don't know why.  Perhaps you should check
>> in the system log, or in /var/log/openvswitch/ovsdb-server.log, for any
>> unusual messaes.
>>
>
>
> _______________________________________________
> discuss mailing list
> discuss@openvswitch.org
> http://openvswitch.org/mailman/listinfo/discuss
>
>
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