OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-fb92e8-0): addr:56:a8:fb:5e:0d:a8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:3e:9e:f3:61:85:93
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
