OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1913c3-0): addr:6a:f0:35:9c:b6:8f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:de:ee:5b:c0:9c:33
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
