v1.8.1

This release is a bugfix release that fixes issues around cgroups found in NVIDIA Container Toolkit 1.8.0.

NOTE: This release is a unified release of the NVIDIA Container Toolkit that consists of the following packages:

• libnvidia-container 1.8.1
• nvidia-container-toolkit 1.8.1
• nvidia-container-runtime 3.8.1
• nvidia-docker2 2.9.1

Changes from libnvidia-container 1.8.1

• Fix bug in determining cgroup root when running in nested containers
• Fix permission issue when determining cgroup version (see NVIDIA/libnvidia-container#158)