OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-d7a6a5-0): addr:4a:c0:ec:20:5b:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ce:b2:d2:cd:6b:de
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
