OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8ec1a8-0): addr:fa:ab:0e:11:a3:91
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-f4a56c-0): addr:e2:b2:28:5a:bb:2f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-53ced8-0): addr:76:eb:89:55:a5:ff
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ca:c9:5d:37:9b:71
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
