OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-11f143-0): addr:3a:7c:1f:74:17:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7a:4c:31:83:a4:5d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
