Nsim tests were never in jobspecs (so links are from verify job). Only the scale test is affected.

The error is in client stderr:
iperf3: error - unable to send control message: Transport endpoint is not connected

Stdout looks good to me, so not sure what is happening there. Link to both in log.html [0].

[0] https://s3-logs.fd.io/vex-yul-rot-jenkins-1/csit-vpp-perf-verify-master-3n-icx/1124/log.html.gz#s1-s1-s1-s1-s4-t1-k2-k4-k15