CONTAP-469690：MetroCluster IP 中 IOM12（DS460C）模块从 0311 到 0401 的自动固件升级失败
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问题描述
- 在 MetroCluster IP 中，IOM12（DS460C）模块从 0311 到 0401 的自动固件升级失败
[sfu.firmwareDownrev.shelf:error]: Shelf XX.shelfXX has downrev firmware