Open Stack

> Here is  a sample configuration of your /etc/neutron/plugin.ini
> network~ # ls -l /etc/neutron/plugin.ini
> lrwxrwxrwx. 1 neutron neutron 42 Feb 10 14:32 /etc/neutron/plugin.ini -> plugins/openvswitch/ovs_neutron_plugin.ini
> network~ #
>
> [OVS]
> integration_bridge = br-int
> tenant_network_type = vlan
> enable_tunneling = False
> network_vlan_ranges = physnet1:111:222
> #bridge_mappings = physnet1:br-eth0
> bridge_mappings = physnet1:br-eth1
>
> which means that eth2 is connected to a trunk port on the physical switch.

Do you mean eth1?  eth2 is not mentioned in the OVS config above... 
Just checking.