OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-3c6e5d-0): addr:8a:56:f6:ed:39:a6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:52:e7:28:35:b0:a5
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
