OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-11aa47-0): addr:ce:8c:37:35:fb:bd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c85299-0): addr:ae:3e:d9:73:a8:41
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-07900d-0): addr:b6:0d:f0:ec:d6:b9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-62c03c-0): addr:ba:a8:6b:41:25:82
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-6e9f75-0): addr:ea:4f:34:74:8c:10
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:e2:5a:40:23:4d:f3
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:df:22:06:61:99
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
