OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e5fd54-0): addr:ca:bc:0c:32:21:4e
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:26:10:81:c2:e4:ac
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
