The test failed on branch=master, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/splits/largerange/size=32GiB_nodes=6/run_1
	cluster.go:2688,split.go:349,split.go:220,test_runner.go:767: monitor failure: monitor task failed: bank table split over 125 ranges, expected at least 509
		(1) attached stack trace
		  -- stack trace:
		  | main.(*monitor).WaitE
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2676
		  | main.(*monitor).Wait
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2684
		  | main.runLargeRangeSplits
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/split.go:349
		  | main.registerLargeRange.func1
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/split.go:220
		  | main.(*testRunner).runTest.func2
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/test_runner.go:767
		Wraps: (2) monitor failure
		Wraps: (3) attached stack trace
		  -- stack trace:
		  | main.(*monitor).wait.func2
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2732
		Wraps: (4) monitor task failed
		Wraps: (5) attached stack trace
		  -- stack trace:
		  | main.runLargeRangeSplits.func1.3
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/split.go:314
		  | github.com/cockroachdb/cockroach/pkg/util/retry.ForDuration
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/util/retry/retry.go:197
		  | main.runLargeRangeSplits.func1
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/split.go:312
		  | main.(*monitor).Go.func1
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/cluster.go:2666
		  | golang.org/x/sync/errgroup.(*Group).Go.func1
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/vendor/golang.org/x/sync/errgroup/errgroup.go:57
		  | runtime.goexit
		  | 	/usr/local/go/src/runtime/asm_amd64.s:1374
		Wraps: (6) bank table split over 125 ranges, expected at least 509
		Error types: (1) *withstack.withStack (2) *errutil.withPrefix (3) *withstack.withStack (4) *errutil.withPrefix (5) *withstack.withStack (6) *errutil.leafError