OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d92070-0): addr:2a:ea:93:53:61:15
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c24f45-0): addr:ce:cf:97:a7:d9:3f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:22:e6:72:6a:78:32
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
