OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-a392ee-0): addr:76:c8:d3:54:fb:ad
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:ae:c7:e9:94:81:45
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
