OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f66079-0): addr:be:ff:4a:d3:83:25
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-9bb5bd-0): addr:ba:e9:78:a6:ff:37
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-8f5cbc-0): addr:fa:8f:ca:30:03:73
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1a:2a:f8:d0:44:78
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
