OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-4cedc4-0): addr:4a:1f:ab:f3:68:9a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:cb:2e:8d:8c:e0
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
