OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-81949a-0): addr:76:5c:5a:d4:5e:e0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:02:64:86:03:a1:33
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
