OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-efcb63-0): addr:2a:8b:ff:d2:45:c6
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-2f54a3-0): addr:46:8a:98:cc:2c:f1
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-031ca0-0): addr:92:80:16:87:73:e9
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:36:ef:42:c2:45:5c
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
