This bug was fixed in the package iperf - 2.0.10+dfsg1-1ubuntu1
--------------- iperf (2.0.10+dfsg1-1ubuntu1) cosmic; urgency=medium
* fix for: iperf2 long time run on 40Gb/s NIC crashes (LP: #1771283)
-- Manoj Iyer <email address hidden> Mon, 04 Jun 2018 18:10:31 -0500
This bug was fixed in the package iperf - 2.0.10+ dfsg1-1ubuntu1
--------------- dfsg1-1ubuntu1) cosmic; urgency=medium
iperf (2.0.10+
* fix for: iperf2 long time run on 40Gb/s NIC crashes (LP: #1771283)
-- Manoj Iyer <email address hidden> Mon, 04 Jun 2018 18:10:31 -0500