OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e648c7-0): addr:2a:de:6f:4f:be:6b
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:9a:d1:00:55:21:36
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
