OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-dcfea8-0): addr:86:cf:49:0a:79:bd
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:56:77:72:a7:da:b0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
