OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-418bad-0): addr:76:25:a8:b3:55:60
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:46:0c:c4:77:03:3b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
