Attempting to remove the libpcap package or performing an action that would attempt to remove the package results in an error because the dependency chain would require the removal of the systemd package and this would break the system.

This is expected behavior in Oracle Linux 8; however, the behavior is mentioned here because in previous Oracle Linux releases, it was possible to remove the libpcap package

In some circumstances, such as when installing the RDMA packages, libpcap may be upgraded to a newer version than the version provided for the operating system. If you remove these packages, you may wish to also downgrade the libpcap package to match the highest version provided for the operating system in the BaseOS channel or repository. Typically, this might be most easily done by reverting the installation using the dnf history undo command. See the DNF(8) manual page for more information.

(Bug ID 30979601)