OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-229920-0): addr:ce:db:b2:9d:ea:4d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-8de79b-0): addr:76:f8:2c:58:64:47
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:82:ce:77:27:f1:db
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
