OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-04563d-0): addr:2a:8c:58:80:65:3c
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:92:4c:8b:20:bd:4b
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
