OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-8266bb-0): addr:ca:f5:d7:75:9f:bf
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:0a:8c:1e:62:06:4d
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
