OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-28c1c6-0): addr:be:47:3a:da:9a:55
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:6a:56:df:2d:e0:a9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
