OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-112972-0): addr:96:9e:b8:88:01:37
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:72:25:64:9a:f7:28
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
