Enable debug logs for embedded mirror e2e #2614

Job	Run time
build-windows / Build	7m 9s
build / Build	7m 22s
Integration Tests (windows)	1m 11s
Integration Tests (cacertrotation)	4m 38s
Integration Tests (certrotation)	3m 46s
Integration Tests (startup)	9m 4s
Integration Tests (etcdrestore)	4m 3s
Integration Tests (localstorage)	3m 28s
Integration Tests (longhorn)	4m 50s
Integration Tests (secretsencryption)	4m 16s
Integration Tests (kubeflags)	8m 40s
Integration Tests (etcdsnapshot)	9m 44s
Integration Tests (custometcdargs)	2m 45s
Integration Tests (flannelnone)	3m 19s
	1h 14m 15s

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