OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-920572-0): addr:be:cb:0b:f9:c2:7b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-5ffd4a-0): addr:16:bd:22:d8:54:20
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-7c9bfe-0): addr:1e:9f:87:74:2c:89
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:96:c3:1c:a8:c3:2f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
