CFSHELF-1420：间歇性 AFF A800 FS4483PSM3E 机架 PCI 开关错误消息

问题描述

• 内部货架模块报告的间歇性错误：
  [node_name: dsa_worker5: ses.status.electronicsWarn:error]: FS4483PSM3E (S/N SHFHU0123456789) shelf 0 on channel 0s environmental monitoring warning for SES electronics 2: communication error. ; enclosure services hardware failed This element is on the rear of the shelf at the bottom, on shelf module (B).
[node_name: dsa_worker5: ses.status.electronicsInfo:info]: FS4483PSM3E (S/N SHFHU0123456789) shelf 0 on channel 0s environmental monitoring information for SES electronics 2: normal status.
[node_name: dsa_worker1: ses.status.ModuleError:alert]: FS4483PSM3E (S/N SHFHU0123456789) shelf 0 on channel 0s PCI switch error for PCI Switch 1: status not available; status not available. This element is on the rear of the shelf at the top, on shelf module (A).
[node_name: dsa_worker1: ses.status.ModuleInfo:info]: FS4483PSM3E (S/N SHFHU0123456789) shelf 0 on channel 0s PCI switch information for PCI Switch 1: normal status.
  
• 所有错误消息在几秒钟后都被清除（正常）
• 这些消息被清除时没有规律
• 这些消息没有造成其他影响或问题