OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-85628a-0): addr:ca:d8:7f:7d:9b:e4
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1a:40:2d:72:8c:ec
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
