In case of un-installing Dynatrace operator for classicFullStack and applicationMonitoring without CSI driver on Openshift. You may face the below/similar error due to inability to access the file system.
Cleaning up /opt/dynatrace/oneagent/agent. Part of configuration preserved in /var/lib/dynatrace/oneagent ERROR: ld.so: object '/opt/dynatrace/oneagent/agent/bin/current/linux-x86-64/liboneagentproc.so' from /etc/ld.so.preload cannot be preloaded (cannot open shared object file): ignored.
In such scenario you can perform one of the below steps:
1- ssh access to the worker node and run the uninstall script 2- login under debug container, elevate the permissions and then run the script "oc debug node/<node-name>" "chroot /host" "uninstall.sh " Documentation page for un-installing the operator