upstream:
- https://github.com/systemd/systemd/pull/25812
- https://github.com/systemd/systemd/pull/27553
- https://github.com/systemd/systemd/pull/27499
- https://github.com/systemd/systemd/pull/27496
- https://github.com/systemd/systemd/pull/27488
- https://github.com/systemd/systemd/pull/27419

downstream (hs)
- remotes/origin/lower-bpftool-version-requirement
