To whoever might find this interesting. I've recently encountered with such issue after installing Dynatrace OneAgent chart in the same k8s cluster with Splunk. In my case I wasn't able to just delete the liboneagentproc.so file, so I had to uninstall Dynatrace chart and then delete /opt/oneagent directory in pod where Splunk runs. Link to upgrade notes: https://docs.splunk.com/Documentation/Splunk/8.2.1/ReleaseNotes/Knownissues
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