ibsim moved to Github. The specific error seems to have been fixed by https://github.com/linux-rdma/ibsim/commit/7bf171bab9c8bf3cc6c8f822bfcbd85570ca9abc The warning: likely fixed by https://github.com/linux-rdma/ibsim/commit/8625a69de7a319a0a1f3e4c86a0f14eda7e1612c Latest version there is 0.9 . TODO: update the package. -- Tzafrir