OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-cf9b5f-0): addr:06:a3:e6:cd:44:b7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:de:f0:1c:77:dc:ef
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
