CSHM报告了false SwitchPowerNotPresent_Alert和SwitchPowerUnknown _Alert

• 交换机日志中的PSU状态正常

`show environment`

Fan:
---------------------------------------------------------------------------
Fan        Model         Hw    Direction     Status
---------------------------------------------------------------------------
Fan1(sys_fan1)  NXA-FAN-65CFM-PE    --    back-to-front   Ok
Fan2(sys_fan2)  NXA-FAN-65CFM-PE    --    back-to-front   Ok
Fan3(sys_fan3)  NXA-FAN-65CFM-PE    --    back-to-front   Ok
Fan_in_PS1    --           --    back-to-front   Ok
Fan_in_PS2    --           --    back-to-front   Ok
Fan Zone Speed: Zone 1: 0xb3
Fan Air Filter : NotSupported

Power Supply:
Voltage: 12 Volts
Power            Actual        Actual     Total
Supply   Model       Output        Input     Capacity    Status
              (Watts )       (Watts )    (Watts )
-------  ----------  ---------------  ------  ----------  --------------------
1     NXA-PAC-1100W-PE2    146 W        166 W    1100 W    Ok
2     NXA-PAC-1100W-PE2    166 W        186 W    1100 W    Ok