OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-454e3b-0): addr:82:34:c7:95:4b:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:be:76:73:7b:cd:11
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
