OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-5e5194-0): addr:f2:a3:cc:8e:cb:3b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9a:42:82:0b:13:6d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
