~180 000 packets are dropped in IMIX aes128cbc-hmac512sha tests

error: Minimal rate loss ratio does not reach target 0.005.

rca:

test: IMIX AVF aes128cbc-hmac512sha

frequency: all

testbed: 3n-icx

example:

    https://s3-logs.fd.io/vex-yul-rot-jenkins-1/csit-vpp-perf-report-iterative-2202-3n-icx/12/log.html.gz#s1-s1-s1-s1-s1

    https://s3-logs.fd.io/vex-yul-rot-jenkins-1/csit-vpp-perf-report-coverage-2202-3n-icx/35/log.html.gz#s1-s1-s1-s1-s1

https://s3-logs.fd.io/vex-yul-rot-jenkins-1/csit-vpp-perf-report-iterative-2206-3n-icx/4/log.html.gz#s1-s1-s1-s1-s1

https://s3-logs.fd.io/vex-yul-rot-jenkins-1/csit-vpp-perf-report-iterative-2206-3n-icx/9/log.html.gz#s1-s1-s1-s1-s1

https://s3-logs.fd.io/vex-yul-rot-jenkins-1/csit-vpp-perf-report-iterative-2206-3n-icx/16/log.html.gz#s1-s1-s1-s1-s1