OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d64a38-0): addr:76:fb:d9:11:ac:89
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-96bd39-0): addr:c2:02:3a:45:32:6e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1e:16:c5:f6:ff:3f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
