OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0bd82d-0): addr:3a:0a:7a:b2:24:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:d2:cc:79:15:81:8e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
