OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-983c17-0): addr:a2:5d:3a:78:c5:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ba:a4:31:76:8b:38
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
