OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d9fd1e-0): addr:16:08:fa:e0:c9:e5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c4fa18-0): addr:0a:d1:5b:b0:f6:52
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-7335e4-0): addr:6a:89:f1:60:67:b1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9a:d9:b3:cf:9a:b8
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
