Wrong topology discovery with OpenFlow13

General Info:
controller: distributions-virtualization-0.2.0-20140709.101228-22-osgipackage.zip

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Steps to reproduce:
mininet$ sudo mn --topo tree,3 --controller=remote,ip=192.168.10.10 --switch ovsk,protocols=OpenFlow13

controller$ ./run.sh -virt ovsdb -of13

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*Result: *
see wrong-topo.png

osgi> printNodeEdges "OF|00:00:00:00:00:00:00:07"
...
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:03->OF|3@OF|00:00:00:00:00:00:00:07)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:07->OF|3@OF|00:00:00:00:00:00:00:03)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:07->OF|3@OF|00:00:00:00:00:00:00:06)
OF|00:00:00:00:00:00:00:07 (OF|2@OF|00:00:00:00:00:00:00:01->OF|3@OF|00:00:00:00:00:00:00:07)
OF|00:00:00:00:00:00:00:07 (OF|2@OF|00:00:00:00:00:00:00:05->OF|3@OF|00:00:00:00:00:00:00:07)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:04->OF|3@OF|00:00:00:00:00:00:00:07)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:07->OF|2@OF|00:00:00:00:00:00:00:01)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:07->OF|3@OF|00:00:00:00:00:00:00:02)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:06->OF|3@OF|00:00:00:00:00:00:00:07)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:02->OF|3@OF|00:00:00:00:00:00:00:07)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:07->OF|2@OF|00:00:00:00:00:00:00:05)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:07->OF|3@OF|00:00:00:00:00:00:00:04)
...

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Expected Result:
see right-topo.png

osgi> printNodeEdges "OF|00:00:00:00:00:00:00:07"
Node Edge
OF|00:00:00:00:00:00:00:02 (OF|1@OF|00:00:00:00:00:00:00:02->OF|3@OF|00:00:00:00:00:00:00:03)
OF|00:00:00:00:00:00:00:02 (OF|2@OF|00:00:00:00:00:00:00:02->OF|3@OF|00:00:00:00:00:00:00:04)
OF|00:00:00:00:00:00:00:02 (OF|3@OF|00:00:00:00:00:00:00:03->OF|1@OF|00:00:00:00:00:00:00:02)
OF|00:00:00:00:00:00:00:02 (OF|3@OF|00:00:00:00:00:00:00:04->OF|2@OF|00:00:00:00:00:00:00:02)
OF|00:00:00:00:00:00:00:02 (OF|1@OF|00:00:00:00:00:00:00:01->OF|3@OF|00:00:00:00:00:00:00:02)
OF|00:00:00:00:00:00:00:02 (OF|3@OF|00:00:00:00:00:00:00:02->OF|1@OF|00:00:00:00:00:00:00:01)
OF|00:00:00:00:00:00:00:03 (OF|1@OF|00:00:00:00:00:00:00:02->OF|3@OF|00:00:00:00:00:00:00:03)
OF|00:00:00:00:00:00:00:03 (OF|3@OF|00:00:00:00:00:00:00:03->OF|1@OF|00:00:00:00:00:00:00:02)
OF|00:00:00:00:00:00:00:01 (OF|2@OF|00:00:00:00:00:00:00:01->OF|3@OF|00:00:00:00:00:00:00:05)
OF|00:00:00:00:00:00:00:01 (OF|1@OF|00:00:00:00:00:00:00:01->OF|3@OF|00:00:00:00:00:00:00:02)
OF|00:00:00:00:00:00:00:01 (OF|3@OF|00:00:00:00:00:00:00:02->OF|1@OF|00:00:00:00:00:00:00:01)
OF|00:00:00:00:00:00:00:01 (OF|3@OF|00:00:00:00:00:00:00:05->OF|2@OF|00:00:00:00:00:00:00:01)
OF|00:00:00:00:00:00:00:04 (OF|2@OF|00:00:00:00:00:00:00:02->OF|3@OF|00:00:00:00:00:00:00:04)
OF|00:00:00:00:00:00:00:04 (OF|3@OF|00:00:00:00:00:00:00:04->OF|2@OF|00:00:00:00:00:00:00:02)
OF|00:00:00:00:00:00:00:07 (OF|2@OF|00:00:00:00:00:00:00:05->OF|3@OF|00:00:00:00:00:00:00:07)
OF|00:00:00:00:00:00:00:07 (OF|3@OF|00:00:00:00:00:00:00:07->OF|2@OF|00:00:00:00:00:00:00:05)
OF|00:00:00:00:00:00:00:06 (OF|3@OF|00:00:00:00:00:00:00:06->OF|1@OF|00:00:00:00:00:00:00:05)
OF|00:00:00:00:00:00:00:06 (OF|1@OF|00:00:00:00:00:00:00:05->OF|3@OF|00:00:00:00:00:00:00:06)
OF|00:00:00:00:00:00:00:05 (OF|3@OF|00:00:00:00:00:00:00:06->OF|1@OF|00:00:00:00:00:00:00:05)
OF|00:00:00:00:00:00:00:05 (OF|2@OF|00:00:00:00:00:00:00:05->OF|3@OF|00:00:00:00:00:00:00:07)
OF|00:00:00:00:00:00:00:05 (OF|2@OF|00:00:00:00:00:00:00:01->OF|3@OF|00:00:00:00:00:00:00:05)
OF|00:00:00:00:00:00:00:05 (OF|3@OF|00:00:00:00:00:00:00:07->OF|2@OF|00:00:00:00:00:00:00:05)
OF|00:00:00:00:00:00:00:05 (OF|1@OF|00:00:00:00:00:00:00:05->OF|3@OF|00:00:00:00:00:00:00:06)
OF|00:00:00:00:00:00:00:05 (OF|3@OF|00:00:00:00:00:00:00:05->OF|2@OF|00:00:00:00:00:00:00:01)