vfio/mlx5: Manage error scenarios on tracker

Handle async error events and health/recovery flow to safely stop the
tracker upon error scenarios.

Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20220908183448.195262-10-yishaih@nvidia.com


Signed-off-by: Alex Williamson <alex.williamson@redhat.com>