OFPST_PORT_DESC reply (xid=0x2):
 2(ovn-7935cb-0): addr:ee:6f:e2:c6:03:e6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:12:5f:11:24:e8:65
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
