Backport upstream 13856

[tanjinx]

Description

backport vitessio#13856
fixing confusing resharding message https://jira.tinyspeck.com/browse/DRE-9167

Fatal MySQL error: DB-vitess: ERUnknownError 1105 target: pool1.-80.primary: current keyspace is being resharded

Related Issue(s)

Checklist

• "Backport to:" labels have been added if this change should be back-ported
• Tests were added or are not required
• Did the new or modified tests pass consistently locally and on the CI
• Documentation was added or is not required

Deployment Notes

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[github-actions]

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