roachtest: monitor_failure failed

roachtest.monitor_failure [failed](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/20809963?buildTab=log) with [artifacts](https://teamcity.cockroachdb.com/buildConfiguration/Cockroach_Nightlies_RoachtestNightlyAwsBazel/20809963?buildTab=artifacts#/ycsb/A/nodes=3/cpu=32/uniform) on release-25.2.10-rc @ [a2cf0e12d277179df853e7e494c0155a6839edf3](https://github.com/cockroachdb/cockroach/commits/a2cf0e12d277179df853e7e494c0155a6839edf3):

```
test ycsb/A/nodes=3/cpu=32/uniform failed: (cluster.go:2451).Run: context canceled
(monitor.go:149).Wait: monitor failure: monitor user task failed: t.Fatal() was called
EOF [owner=test-eng]
test artifacts and logs in: /artifacts/ycsb/A/nodes=3/cpu=32/uniform/cpu_arch=arm64/run_1
```

Parameters:
- arch=arm64
- cloud=aws
- coverageBuild=false
- cpu=32
- encrypted=false
- fs=ext4
- localSSD=true
- runtimeAssertionsBuild=false
- 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 aws clusters_

Same failure on other branches

- #154428 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.4]
- #153156 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3.2-rc]
- #153148 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.24-rc]
- #153136 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.2.6-rc]
- #151922 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3.1-rc]
- #151630 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.23-rc]
- #150925 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3]
- #150732 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.3.0-rc]
- #147884 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-25.2]
- #146627 roachtest: monitor_failure failed [O-roachtest O-robot T-testeng X-infra-flake branch-release-24.1.19-rc]

/cc @cockroachdb/test-eng

[This test on roachdash](https://roachdash.crdb.dev/?filter=status:open%20t:.*monitor_failure.*&sort=title+created&display=lastcommented+project) | [Improve this report!](https://github.com/cockroachdb/cockroach/tree/master/pkg/cmd/bazci/githubpost/issues)

Jira issue: CRDB-57466