OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-265520-0): addr:ae:63:3b:79:29:88
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:52:a9:52:98:6c:32
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
