OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ca6e78-0): addr:ba:53:eb:cb:b6:6d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:56:6c:27:a6:e3:d9
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
