OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f1364f-0): addr:5e:f9:4b:1c:6c:55
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(patch-br-int-to): addr:2e:b8:fc:7d:33:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:32:bd:f3:11:18:0d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
