roachtest: cdc/initial-scan failed

[cockroach-teamcity]

roachtest.cdc/initial-scan failed with artifacts on master @ 63679e7bf4a0244c6e46381751543cfe3f32388c:

		  | 	/usr/local/go/src/runtime/asm_amd64.s:1371 +0x1 fp=0xc001aaffd8 sp=0xc001aaffd0 pc=0x49d281
		  | created by golang.org/x/sync/errgroup.(*Group).Go
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/vendor/golang.org/x/sync/errgroup/errgroup.go:54 +0x66
		  | Error: SSH_PROBLEM: exit status 255
		  | (1) SSH_PROBLEM
		  | Wraps: (2) Node 4. Command with error:
		  |   | ``````
		  |   | ./workload run tpcc --warehouses=100 --duration=30m  {pgurl:1-3}
		  |   | ``````
		  | Wraps: (3) exit status 255
		  | Error types: (1) errors.SSH (2) *hintdetail.withDetail (3) *exec.ExitError
		  |
		  | stdout:
		  | Initializing 200 connections...
		  | Initializing 0 idle connections...
		  | Initializing 1000 workers and preparing statements...
		Wraps: (4) exit status 10
		Error types: (1) *withstack.withStack (2) *errutil.withPrefix (3) *cluster.WithCommandDetails (4) *exec.ExitError

	monitor.go:128,cdc.go:293,cdc.go:715,test_runner.go:777: monitor failure: monitor task failed: t.Fatal() was called
		(1) attached stack trace
		  -- stack trace:
		  | main.(*monitorImpl).WaitE
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/monitor.go:116
		  | main.(*monitorImpl).Wait
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/monitor.go:124
		  | github.com/cockroachdb/cockroach/pkg/cmd/roachtest/tests.cdcBasicTest
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/tests/cdc.go:293
		  | github.com/cockroachdb/cockroach/pkg/cmd/roachtest/tests.registerCDC.func3
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/tests/cdc.go:715
		  | main.(*testRunner).runTest.func2
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/test_runner.go:777
		Wraps: (2) monitor failure
		Wraps: (3) attached stack trace
		  -- stack trace:
		  | main.(*monitorImpl).wait.func2
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/monitor.go:172
		Wraps: (4) monitor task failed
		Wraps: (5) attached stack trace
		  -- stack trace:
		  | main.init
		  | 	/home/agent/work/.go/src/github.com/cockroachdb/cockroach/pkg/cmd/roachtest/monitor.go:81
		  | runtime.doInit
		  | 	/usr/local/go/src/runtime/proc.go:6309
		  | runtime.main
		  | 	/usr/local/go/src/runtime/proc.go:208
		  | runtime.goexit
		  | 	/usr/local/go/src/runtime/asm_amd64.s:1371
		Wraps: (6) t.Fatal() was called
		Error types: (1) *withstack.withStack (2) *errutil.withPrefix (3) *withstack.withStack (4) *errutil.withPrefix (5) *withstack.withStack (6) *errutil.leafError

Reproduce

See: roachtest README

/cc @cockroachdb/cdc

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