OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3d91cb-0): addr:66:bf:d7:be:9b:24
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-c8f8a7-0): addr:62:74:fe:3d:9a:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-bcc118-0): addr:06:0b:2a:8e:e2:18
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:79:89:e8:49:97
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
