Hello radix-pe, You are going to want to open a support case and you can mention to support this Article Number: 000184210 and they can resolve your issue.  The issue that you are having is ipmi module is not loaded on ESXi.
Good day, I noticed that vmk1 (iDRAC Network) adapter is missing on 1 of the hosts of my vxrail cluster and I also noticed that the Idrac Service module was not running. The switch view reports no adapter for IDRAC Network  [IMAGE] I am not sure how to recover from this situation and any help would be greatly appeciated - Thanks
vmk1 adapter missing.. and problem with DellPTAgent