OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-27db52-0): addr:42:fc:95:ad:8e:5c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fa:e0:8d:b4:91:72
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
