OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-1d35f1-0): addr:d2:aa:b1:38:85:28
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:83:fd:81:51:75
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
