roachtest: schemachange/secondary-index-multi-version failed

[cockroach-teamcity]

(roachtest).schemachange/secondary-index-multi-version failed on release-20.2@0a5debc3d3321d3397796cd9f29be6978ee97bd5:

The test failed on branch=release-20.2, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/schemachange/secondary-index-multi-version/run_1
	secondary_indexes.go:107,versionupgrade.go:189,secondary_indexes.go:82,secondary_indexes.go:143,test_runner.go:755: pq: result is ambiguous (error=unable to dial n2: breaker open [exhausted])

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Artifacts: /schemachange/secondary-index-multi-version

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Jira issue: CRDB-6837

[cockroach-teamcity]

(roachtest).schemachange/secondary-index-multi-version failed on release-20.2@108ed7d9f2c6f3e85a82a3f4f0df9ba97556ff98:

The test failed on branch=release-20.2, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/schemachange/secondary-index-multi-version/run_1
	secondary_indexes.go:107,versionupgrade.go:189,secondary_indexes.go:82,secondary_indexes.go:143,test_runner.go:755: pq: result is ambiguous (error=unable to dial n3: breaker open [propagate])

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Artifacts: /schemachange/secondary-index-multi-version

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[ajwerner]

It's weird that this has just started happening. It seems like, on some level, this is #44101 in that it seems like we've just restarted.

The mystery is less why this happened and more why it happened now.

[ajwerner]

Will close this soon if it doesn't happen again but leaving open to see if it does.

[cockroach-teamcity]

(roachtest).schemachange/secondary-index-multi-version failed on release-20.2@5748afe5f0e04246c98c49345b998cc8476e6a77:

The test failed on branch=release-20.2, cloud=gce:
test artifacts and logs in: /home/agent/work/.go/src/github.com/cockroachdb/cockroach/artifacts/schemachange/secondary-index-multi-version/run_1
	secondary_indexes.go:107,versionupgrade.go:189,secondary_indexes.go:82,secondary_indexes.go:143,test_runner.go:755: pq: result is ambiguous (error=unable to dial n3: breaker open [propagate])

More

Artifacts: /schemachange/secondary-index-multi-version

See this test on roachdash
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