v4.1.x: osc/pt2pt: Some fixes#9247

jsquyres merged 3 commits intoopen-mpi:v4.1.xopen-mpi/ompi:v4.1.xfrom

awlauria:osc_pt2pt_changes_v4.1.xawlauria/ompi:osc_pt2pt_changes_v4.1.xCopy head branch name to clipboard