OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-540eea-0): addr:d6:b6:d2:da:f1:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:e2:9e:77:64:95:73
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
