OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-edd465-0): addr:da:95:b9:69:1a:d3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-5f32a4-0): addr:0a:b0:4f:f4:ac:f4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:32:c3:a7:fc:71:cb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
