OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-0c8134-0): addr:d2:46:19:32:91:3d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:50:46:db:de:9b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
