OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-382c4f-0): addr:de:ca:f3:90:4a:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:be:04:f6:d5:ce:0f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
