Test Case: OPNFV_YARDSTICK_TC009_Packet loss

Using OPNFV_YARDSTICK_TC001 as basis, write test case for:
LF POD1
LF POD2

What to measure:

• increase traffic flows up to 1 000 000 and measure the number of packets lost per million (number of sent - received), assert the SLA value; the test shall be run up to 1 000 000 even if the SLA is not fulfilled, it shall be visible graphically;
  run the test 10 times;
  this test shall be run on demand, not be part of daily build;
  SLA will be decided by test & performance sub-group.

This task includes the .yaml for the test case and the .rst for test case description.
For documentation, use template in yardstick/docs/templates
Label for documentation OPNFV_YARDSTICK_TC009_Packet loss