Our systemd running on WRL8 is 225 version, systemd-run does not make the new scope unit part of the slice specified via the --slice arg
There is a bug confirmed by systemd community: https://github.com/systemd/systemd/issues/2991#event-628581674 It seems this is fixed now, this is the commit: https://github.com/systemd/systemd/pull/3094/files The customer needs a patch because he is experiencing the same problem described on that bug