Is there any data on packet duplication?

Tue Jun 23 08:44:23 UTC 2020

On Mon, Jun 22, 2020 at 5:30 PM Hal Murray
<hgm+nanog at ip-64-139-1-69.sjc.megapath.net> wrote:
>
>
> How often do packets magically get duplicated within the network so that the
> target receives 2 copies?  That seems like something somebody at NANOG might
> have studied and given a talk on.
>
> Any suggestions for other places to look?

bugs like https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvn71311
where both hw forwarded and punted packet are sent to destination?