OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-485856-0): addr:c6:17:70:45:42:74
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9a:cc:48:9d:55:50
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
