OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-405d01-0): addr:1a:07:c1:c8:08:32
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0a:e1:a7:ca:0a:93
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
