Make antrea-controller not tolerate Node unreachable (#5521) #5

Job	Run time
Check whether tests need to be run based on diff	22s
Verify docs and spelling	46s
Golangci-lint (ubuntu-latest)	13m 14s
Golangci-lint (macos-latest)	16m 50s
Go benchmark test	10m 31s
Build Antrea and antctl binaries	17m 20s
Integration test	13m 27s
Check tidy, code generation and manifest	7m 54s
Unit test (ubuntu-latest)	11m 8s
Unit test (windows-2022)	23m 43s
Build Antrea Windows binaries	2m 58s
	1h 58m 13s

Provide feedback