OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-9d4a05-0): addr:42:04:55:4a:8d:34
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-5078af-0): addr:7e:da:c4:e9:38:24
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-0ae5d3-0): addr:b2:64:49:16:7d:02
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ea:51:bb:54:a8:fb
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
