OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-525ba2-0): addr:92:6b:ab:9d:1f:0c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:42:6c:d4:11:8f:4f
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
