OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-01d125-0): addr:9a:7f:8d:5c:a4:a2
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:8a:d6:ce:21:c6:eb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
