The test failed on branch=provisional_202008261913_v20.2.0-beta.1, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/tpccbench/nodes=9/cpu=4/multi-region/run_1
	cluster.go:1628,context.go:135,cluster.go:1617,test_runner.go:823: dead node detection: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/bin/roachprod monitor teamcity-2225322-1598474350-85-n12cpu4-geo --oneshot --ignore-empty-nodes: exit status 1 4: skipped
		3: dead
		8: skipped
		1: 8011
		2: 8023
		12: skipped
		5: 6731
		6: 6446
		7: 6254
		10: 6741
		9: 6661
		11: 6377
		Error: UNCLASSIFIED_PROBLEM: 3: dead
		(1) UNCLASSIFIED_PROBLEM
		Wraps: (2) attached stack trace
		  -- stack trace:
		  | main.glob..func14
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachprod/main.go:1143
		  | main.wrap.func1
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachprod/main.go:267
		  | github.com/spf13/cobra.(*Command).execute
		  | 	/home/agent/work/.go/pkg/mod/github.com/spf13/cobra@v0.0.5/command.go:830
		  | github.com/spf13/cobra.(*Command).ExecuteC
		  | 	/home/agent/work/.go/pkg/mod/github.com/spf13/cobra@v0.0.5/command.go:914
		  | github.com/spf13/cobra.(*Command).Execute
		  | 	/home/agent/work/.go/pkg/mod/github.com/spf13/cobra@v0.0.5/command.go:864
		  | main.main
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachprod/main.go:1839
		  | runtime.main
		  | 	/usr/local/go/src/runtime/proc.go:203
		  | runtime.goexit
		  | 	/usr/local/go/src/runtime/asm_amd64.s:1357
		Wraps: (3) 3: dead
		Error types: (1) errors.Unclassified (2) *withstack.withStack (3) *errutil.leafError