This is to shake out any backwards compatibility bugs between "latest" and "last-stable" shards.
- depends on
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SERVER-25170 Make moveChunk commands append an "epoch" field
- Closed
- related to
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SERVER-25206 Rename 3.2 failMigrationReceivedOutOfRangeDelete and master failMigrationReceivedOutOfRangeOperation failpoint to coincide
- Closed
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SERVER-25208 Rename 3.2 failApplyChunkOps and 3.4 failCommitMigrationCommand failpoints to coincide
- Closed