OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-80675e-0): addr:da:1d:4d:a0:20:f8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-b385c6-0): addr:12:5b:d6:99:69:5b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:92:8a:a1:7a:68:62
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
