OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-11b56c-0): addr:56:6b:65:59:71:fb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ce:5d:dd:f3:7c:8e
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
