OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b4ea95-0): addr:8a:8e:9a:4c:ee:e5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:f6:04:58:d6:57
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
