OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-e62eff-0): addr:de:b9:15:36:69:10
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-a0e936-0): addr:ee:22:ce:89:c7:40
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-5ccad6-0): addr:72:48:48:ee:92:61
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:12:68:e8:8e:45:15
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
