OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-37f025-0): addr:d2:68:aa:1a:6b:42
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:a2:30:d2:f3:40:42
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
