OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e6697f-0): addr:9a:de:aa:8a:a4:72
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:86:20:34:82:56:d1
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
