OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-16c510-0): addr:e6:62:df:ef:c7:c7
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:fa:e0:a9:11:43:32
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
