OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f0c8e4-0): addr:2a:f1:a4:d5:aa:09
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:b6:a7:27:41:fd:f6
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
