[Nfd-dev] ndnping getting nack with reason=Duplicate

[John Scott]

Hi,
I have a string of nodes all running NFD 0.5.0-32-gaaa58a6 at startup. I wrote a script to register all remote nodes in the routing table (below).
    #!/bin/bash        sleep 2    nfd-start    sleep 10    route -n | awk '/10.0.0/ { system("nfdc register / udp4://"$1) }'
My topology looks like this:
n1 <-----> n2 <-----> n3 <-----> n4 <-----> n5 <-----> n6
I verified that all other faces are registered in all nodes (i.e. n4 has faces to all nodes other than 4).
When I run ndnpingserver on node 1 and ping from n2 until n6 it works. But when I run ndnpingserver on node 6 and ping from node 1 I get nacks with reason=duplicate. What can be the reasons for that to happen? I'm using ndnping 0.3

Thank you for your help.
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