+---------------------------------+---------------+---------------+---------------+---------------+
| Test Case                       |         21.02 |         21.08 |         21.11 |          Diff |
+---------------------------------+---------------+---------------+---------------+---------------+
| 1518b-2t1c-eth-l2xcbase-testpmd |   3.9 +-  0.0 |  3.89 +- 0.01 |   3.9 +- 0.01 | +0.23 +- 0.27 |
| 9000b-2t1c-eth-l2xcbase-testpmd |  0.66 +-  0.0 |  0.66 +-  0.0 |  0.67 +-  0.0 | +0.17 +- 0.23 |
| 9000b-2t1c-ethip4-ip4base-l3fwd |  0.67 +-  0.0 |  0.66 +-  0.0 |  0.67 +-  0.0 | +0.07 +- 0.13 |
| 64b-2t1c-eth-l2xcbase-testpmd   | 35.12 +- 3.93 | 33.33 +- 0.04 | 33.34 +- 0.05 | +0.04 +-  0.2 |
| imix-2t1c-eth-l2xcbase-testpmd  | 14.84 +- 0.03 | 14.88 +- 0.02 | 14.88 +- 0.02 | +0.03 +-  0.2 |
| 1518b-2t1c-ethip4-ip4base-l3fwd |   3.9 +- 0.01 |   3.9 +-  0.0 |   3.9 +-  0.0 |  -0.0 +- 0.17 |
| imix-2t1c-ethip4-ip4base-l3fwd  | 14.84 +- 0.02 |  14.9 +- 0.02 |  14.9 +- 0.03 | -0.05 +- 0.24 |
| 64b-2t1c-ethip4-ip4base-l3fwd   | 37.13 +-  0.0 | 36.21 +- 0.05 | 36.09 +- 0.05 | -0.33 +- 0.18 |
+---------------------------------+---------------+---------------+---------------+---------------+

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