OFPST_PORT_DESC reply (xid=0x2):
 3(ovn-6b98b9-0): addr:4a:e3:c6:39:7f:a2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:4a:bf:07:05:9d:41
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
