OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1ef1dd-0): addr:26:76:6d:40:51:8f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:7a:78:16:d7:97:9a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
