Release v1.4.22

[deeppat]

Issue #, if available:

Description of changes:

• Virtual Ethernet upgraded to support Jumbo Frames.

  • Update dpdk to v20.02 for virtual eth instance and dpdk to v20.08 and pktgen to v20.09 for pktgen instance

• Updated the end of life announcement table

  • Xilinx 2017.4 EOL timeline announced.

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