OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-46059d-0): addr:d6:d2:cf:c9:ff:08
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:d2:42:7a:08:e1:1a
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
