More btl uct updates that fix various issues discovered on our hardware#13094

hjelmn merged 2 commits intoopen-mpi:mainopen-mpi/ompi:mainfrom

hjelmn:more_btl_uct_updates_that_fix_various_issues_discovered_on_our_hardwarehjelmn/ompi:more_btl_uct_updates_that_fix_various_issues_discovered_on_our_hardwareCopy head branch name to clipboard