+---------------------------------+-------------+-------------+-------------+--------------+
| Test Case                       |       20.08 |       20.11 |       21.02 |         Diff |
+---------------------------------+-------------+-------------+-------------+--------------+
| 1518b-2t1c-eth-l2xcbase-testpmd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +-  0.0 |
| 1518b-2t1c-ethip4-ip4base-l3fwd |  4.0 +- 0.0 |  4.0 +- 0.0 |  4.0 +- 0.0 | +0.5 +-  0.0 |
| 9000b-2t1c-eth-l2xcbase-testpmd |  0.7 +- 0.0 |  0.7 +- 0.0 |  0.7 +- 0.0 | +0.5 +-  0.0 |
| 9000b-2t1c-ethip4-ip4base-l3fwd |  0.7 +- 0.0 |  0.7 +- 0.0 |  0.7 +- 0.0 | +0.4 +-  0.2 |
| imix-2t1c-ethip4-ip4base-l3fwd  | 14.8 +- 0.0 | 14.8 +- 0.0 | 14.8 +- 0.0 | -0.0 +-  0.2 |
| 64b-2t1c-eth-l2xcbase-testpmd   | 27.3 +- 0.4 | 27.3 +- 0.4 | 27.0 +- 0.8 | -1.0 +-  3.1 |
| 64b-2t1c-ethip4-ip4base-l3fwd   | 31.3 +- 0.6 | 31.3 +- 0.6 | 30.1 +- 5.3 | -3.7 +- 17.0 |
| imix-2t1c-eth-l2xcbase-testpmd  | 15.4 +- 0.5 | 15.4 +- 0.5 | 14.8 +- 0.0 | -4.0 +-  3.2 |
+---------------------------------+-------------+-------------+-------------+--------------+

20.08, 20.11, 21.02 - DPDK versions tested.
Diff - difference between 20.11 and 21.02 DPDK version.