OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-011fdd-0): addr:b2:30:1a:82:34:44
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-45d4c7-0): addr:4a:ce:e0:0d:fd:6f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-c8abfd-0): addr:9e:18:5f:07:db:9d
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:1e:a8:e2:d6:6c:54
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
