OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-4a41cd-0): addr:e6:83:2c:ce:6d:95
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:be:31:91:e7:8f:fc
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
