Currently, neither the TerminationPoint nor the OvsdbTerminationPointAugmentation have a port's MAC address. According to the OVS Schema [1] the mac_in_use field should be used for this purpose.

The only way to get the mac address for a bridge port is to look in the OpenFlow inventory using the OpenFlow Node ID and port number as the key, as follows:

 
 "node-connector": [
   

{          "id": "openflow:222969675150665:2",          "flow-node-inventory:hardware-address": "4a:c7:ce:4e:a6:a4",          ...      }

[1] http://www.openvswitch.org/support/dist-docs/ovs-vswitchd.conf.db.5.html