OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-dd32ab-0): addr:ae:09:06:10:d7:87
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0a:2d:dd:9a:15:04
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
