OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-2f9c55-0): addr:be:bb:1b:65:eb:43
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ae:68:11:17:4f:60
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
