fix `Test_NSC_ConnectsTo_vl3NSE` #6711

Job	Run time
code-cov (ubuntu-latest)	3m 6s
code-cov (macos-latest)	3m 19s
build-and-test / build-and-test (ubuntu-latest)	2m 44s
build-and-test / build-and-test (macos-latest)	3m 1s
build-and-test / build-and-test (windows-latest)	5m 8s
checkgomod / checkgomod	34s
exclude-fmt-errorf / exclude-fmt-errorf	5s
exclude-replace / excludereplace	4s
gogenerate / gogenerate	39s
restrict-nsm-deps / restrict-nsm-deps	5s
golangci-lint / golangci-lint	1m 50s
yamllint / yamllint	11s
	20m 46s

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