OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a28fba-0): addr:8a:41:3d:36:0c:9f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:c2:df:7b:6d:c2:24
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
