OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1ebf35-0): addr:8e:09:12:e3:3d:cb
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:aa:e5:6a:8c:65:75
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
