OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-63d74f-0): addr:22:c9:e8:65:e5:7f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:76:a9:da:72:2d:0b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
