v1.6.0-rc.2

• Update OCI runtime specification dependency to opencontainers/runtime-spec@a3c33d663ebc to fix compatibility with docker when overriding clone3 syscall return value [fixes NVIDIA/nvidia-container-runtime#157]
• Use relative path to OCI specification file (config.json) if bundle path is not specified as an argument to the nvidia-container-runtime

Changes from libnvidia-container

• Fix bug that lead to unexpected mount error when /proc/driver/nvidia does not exist on the host

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

• libnvidia-container 1.6.0-rc.2
• nvidia-container-toolkit 1.6.0-rc.2
• nvidia-container-runtime 3.6.0-rc.2
• nvidia-docker2 2.7.0-rc.2

The packages for this release are published to the libnvidia-container package repositories as experimental.