OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e236d9-0): addr:7a:89:e5:89:de:56
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-fc6c02-0): addr:fa:57:ac:e7:12:2b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:e8:a7:8d:6d:29
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
