[BugFix] Prevent orphaned process on NCCL destroy#39846

tlrmchlsmth merged 14 commits into

vllm-project:mainvllm-project/vllm:mainfrom

jeffreywang-anyscale:avoid-nccl-destroyjeffreywang-anyscale/vllm:avoid-nccl-destroyCopy head branch name to clipboard