OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-56fd02-0): addr:86:41:5a:ca:d3:d6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:be:16:12:e7:9e:4f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
