K8s client lb cleanup 2 #3636

Job	Run time
build	3m 20s
test_when_cache_missing	0s
test_when_cache_present (0, 9, 686)	23m 38s
test_when_cache_present (1, 9, 686)	22m 32s
test_when_cache_present (2, 9, 686)	21m 39s
test_when_cache_present (3, 9, 686)	23m 58s
test_when_cache_present (4, 9, 686)	22m 57s
test_when_cache_present (5, 9, 686)	22m 19s
test_when_cache_present (6, 9, 686)	25m 11s
test_when_cache_present (7, 9, 686)	27m 4s
test_when_cache_present (8, 9, 686)	27m 49s
test_when_cache_present (9, 9, 686)	14m 11s
save_test_times_when_cache_missing	0s
save_test_times_when_cache_present	7s
	3h 54m 45s

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