Waiting for MPI host 'test-mpi-trainjob-kp7hv-launcher-0-0.test-mpi-trainjob-kp7hv' to resolve Warning: Permanently added '[test-mpi-trainjob-kp7hv-node-0-0.test-mpi-trainjob-kp7hv]:2222' (ECDSA) to the list of known hosts. MPI COLLECTIVES PASSED device=cpu rank=0 world_size=2 MPI COLLECTIVES PASSED device=cpu rank=1 world_size=2