OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-6de892-0): addr:72:0d:8c:66:e0:82
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-d8ff4a-0): addr:0a:27:a7:02:09:91
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-fa015a-0): addr:8a:2c:d9:5f:6e:64
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b2:8a:c4:88:59:49
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
