OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-4f3ebb-0): addr:c6:63:a7:6b:4b:a5
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:36:49:5a:30:eb:64
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
