Automated cherry pick of #5880: Fix incorrect MTU configurations (#5880) #5926: Ensure MTU is set correctly when WireGuard interface already #5997: Use 65000 MTU upper bound for interfaces in encap mode #31724

Job	Run time
Check whether tests need to be run based on diff	17s
Check whether tests need to be run based on diff	17s
Verify docs and spelling	33s
Verify docs and spelling	33s
Golangci-lint (ubuntu-latest)	8m 16s
Golangci-lint (ubuntu-latest)	8m 16s
Go benchmark test	4m 43s
Go benchmark test	4m 43s
Golangci-lint (macos-latest)	13m 14s
Golangci-lint (macos-latest)	13m 14s
Build Antrea and antctl binaries	10m 42s
Build Antrea and antctl binaries	10m 42s
Integration test	10m 30s
Integration test	10m 30s
Unit test (ubuntu-latest)	13m 53s
Unit test (ubuntu-latest)	13m 53s
Unit test (windows-2019)	19m 48s
Unit test (windows-2019)	21m 36s
Check tidy, code generation and manifest	5m 59s
Check tidy, code generation and manifest	5m 59s
Build Antrea Windows binaries	2m 13s
Build Antrea Windows binaries	2m 13s
	3h 2m 4s

Provide feedback