roachtest: monitor_failure failed

roachtest.monitor_failure [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAzureBazel/15953446?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAzureBazel/15953446?buildTab=artifacts#/schemachange/during/tpcc) on master @ [c557fb59f6aec659d364e9002fc083c59c6392b6](https://github.com/cockroachdb/cockroach/commits/c557fb59f6aec659d364e9002fc083c59c6392b6):

```
test schemachange/during/tpcc failed: (monitor.go:154).Wait: monitor failure: EOF [owner=test-eng]
test artifacts and logs in: /artifacts/schemachange/during/tpcc/cpu_arch=arm64/run_1
```

Parameters:
- ROACHTEST_arch=arm64
- ROACHTEST_cloud=azure
- ROACHTEST_coverageBuild=false
- ROACHTEST_cpu=16
- ROACHTEST_encrypted=false
- ROACHTEST_fs=ext4
- ROACHTEST_localSSD=true
- ROACHTEST_metamorphicBuild=false
- ROACHTEST_ssd=0
Help

See: [roachtest README](https://github.com/cockroachdb/cockroach/blob/master/pkg/cmd/roachtest/README.md)

See: [How To Investigate \(internal\)](https://cockroachlabs.atlassian.net/l/c/SSSBr8c7)

_Grafana is not yet available for azure clusters_

/cc @cockroachdb/test-eng

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Jira issue: CRDB-40131