VFIO Driver Troubleshooting Expert Needed

I'm seeking an experienced developer to troubleshoot VFIO driver issues, specifically around device pass-through failures.

Key Requirements:
- Experience with VFIO in Linux environments.
- Strong knowledge of C++ for any necessary driver modifications.
- Ability to diagnose and resolve device pass-through issues.

Ideal Skills:
- Expertise in virtualization and hardware abstraction.
- Familiarity with kernel modules and system-level programming.
- Previous experience with similar VFIO troubleshooting tasks.

Please provide a brief overview of your relevant experience.