OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9bacf5-0): addr:ee:20:3c:05:9f:8f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:4a:de:70:83:d6:90
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
