OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9a0c85-0): addr:92:2f:94:d1:81:f1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-4d9738-0): addr:32:fc:95:f9:5b:78
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-b99910-0): addr:82:ea:1f:e4:a4:42
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:16:16:d1:f5:3d:4e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
