K8s client lb cleanup 3 #3641

Job	Run time
build	2m 57s
test_when_cache_missing	0s
test_when_cache_present (0, 9, 676)	23m 44s
test_when_cache_present (1, 9, 676)	22m 34s
test_when_cache_present (2, 9, 676)	22m 21s
test_when_cache_present (3, 9, 676)	22m 24s
test_when_cache_present (4, 9, 676)	23m 41s
test_when_cache_present (5, 9, 676)	23m 36s
test_when_cache_present (6, 9, 676)	22m 40s
test_when_cache_present (7, 9, 676)	26m 57s
test_when_cache_present (8, 9, 676)	28m 26s
test_when_cache_present (9, 9, 676)	11m 30s
save_test_times_when_cache_missing	0s
save_test_times_when_cache_present	6s
	3h 50m 56s

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