OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-ce5758-0): addr:2e:69:dd:1e:92:ea
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ae:60:0d:4e:e2:e5
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
