OFPST_PORT_DESC reply (xid=0x2):
 1(ovn-f18e61-0): addr:0e:15:60:7d:0f:97
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 2(ovn-6d5b17-0): addr:3e:8d:fc:3a:b1:4a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 3(ovn-2186fb-0): addr:de:de:e0:e3:a3:3a
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 4(ovn-e1d14e-0): addr:9a:40:e4:38:83:04
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 5(ovn-45aa31-0): addr:ce:0e:7c:4b:3d:f8
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 6(patch-br-int-to): addr:ee:25:59:b6:7f:5f
     config:     0
     state:      0
     speed: 0 Mbps now, 0 Mbps max
 LOCAL(br-int): addr:2a:41:34:76:01:da
     config:     PORT_DOWN
     state:      LINK_DOWN
     speed: 0 Mbps now, 0 Mbps max
