OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-b585df-0): addr:9a:fb:df:56:8e:46
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:f6:32:47:31:1b:96
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
