Hello all!

I try to use network filters for openvswitch interfaces.  This is the xml 
configuration of my bridge interface 

<interface type='bridge'>
   <mac address='00:11:22:33:44:55'/>
   <source bridge='virbr1'/>
   <virtualport type='openvswitch'>
        <parameters interfaceid='0529d6b5-627c-4330-803f-0d7018e6d496'/>
   </virtualport>
   <model type='virtio'/>
   <filterref filter='myfilter'>
      <parameter name='IP' value='10.10.10.99'/>
   </filterref>
   <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
 </interface>

The filter 'myfilter' is defined. If I start a domain with this interface all 
ports are correctly added to the 'virbr1' bridge, plus libvirt creates firewall 
rules using ebtables tool. BUT ebtables controls linux bridges, not openvswich 
bridges. As far as I know OVS has its own tool to create firewall rules for its 
bridges - ovs-ofctl. How to make libvirt to use the right tool for creating 
firewall rules for OVS bridges?

If I remove ebtables tool and try to start the domain, libvirt complains 
"cannot create rule since ebtables tool is missing."

Thank you.
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