+---------------------------------+---------------+---------------+---------------+---------------+
| Test Case                       |         21.02 |         21.08 |         21.11 |          Diff |
+---------------------------------+---------------+---------------+---------------+---------------+
| 64b-4t2c-eth-l2xcbase-testpmd   | 33.44 +- 0.04 | 30.26 +-  0.1 | 30.62 +- 0.11 | +1.17 +-  0.5 |
| imix-4t2c-eth-l2xcbase-testpmd  | 14.87 +- 0.03 | 14.89 +- 0.03 |  14.9 +- 0.03 | +0.08 +- 0.29 |
| imix-4t2c-ethip4-ip4base-l3fwd  | 14.88 +- 0.03 | 14.89 +- 0.03 |  14.9 +- 0.03 | +0.07 +- 0.28 |
| 1518b-4t2c-ethip4-ip4base-l3fwd |  3.98 +-  0.0 |  3.98 +-  0.0 |  3.98 +-  0.0 |  +0.0 +-  0.0 |
| 1518b-4t2c-eth-l2xcbase-testpmd |  3.98 +-  0.0 |  3.98 +-  0.0 |  3.98 +- 0.01 | -0.05 +- 0.16 |
| 64b-4t2c-ethip4-ip4base-l3fwd   | 36.57 +- 0.04 | 35.99 +- 0.12 | 35.89 +- 0.15 |  -0.3 +- 0.54 |
+---------------------------------+---------------+---------------+---------------+---------------+

21.02, 21.08, 21.11 - DPDK versions tested.
Diff - difference between 21.08 and 21.11 DPDK version.