Metrics: Improve readability for iperf2 metrics
Metrics: Improve readability for iperf2 metrics

This will separate the client and server commands as well as other
modifications

Signed-off-by: Gabriela Cervantes <7478955d4356a4dc893d64d1345a99c9f58c91ab@intel.com>

clearcontainers/tests,devimc/tests,MarioCarrilloA/tests,chavafg/tests,bwarden/tests,chavafg/tests,sboeuf/tests,sboeuf/tests,bwarden/tests,clearcontainers/tests,devimc/tests,MarioCarrilloA/tests