OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8cedc9-0): addr:ce:34:ae:1b:96:b0
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fa:88:2b:35:e0:b6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
