+---------------------------------+---------------+---------------+---------------+---------------+
| Test Case                       |         21.02 |         21.08 |         21.11 |          Diff |
+---------------------------------+---------------+---------------+---------------+---------------+
| 64b-4t2c-eth-l2xcbase-testpmd   | 14.78 +-  0.3 | 30.34 +- 0.07 | 30.79 +- 0.45 | +1.49 +- 1.51 |
| 64b-4t2c-ethip4-ip4base-l3fwd   | 36.97 +- 0.07 | 36.92 +- 0.08 | 36.93 +- 0.04 | +0.04 +- 0.25 |
| 1518b-4t2c-eth-l2xcbase-testpmd |  3.92 +- 0.01 |  3.92 +-  0.0 |  3.92 +-  0.0 | +0.01 +- 0.12 |
| 1518b-4t2c-ethip4-ip4base-l3fwd |  3.92 +-  0.0 |  3.92 +-  0.0 |  3.92 +-  0.0 | +0.01 +- 0.14 |
| imix-4t2c-eth-l2xcbase-testpmd  | 14.97 +- 0.01 | 14.99 +- 0.03 | 14.98 +- 0.02 | -0.03 +- 0.24 |
| imix-4t2c-ethip4-ip4base-l3fwd  | 14.95 +- 0.02 |  15.0 +- 0.01 | 14.98 +- 0.03 | -0.17 +- 0.22 |
+---------------------------------+---------------+---------------+---------------+---------------+

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