OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-810d8b-0): addr:c2:5f:4b:9b:fb:94
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ee:e1:6f:91:86:df
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
