bpftune-sysctl8

The sysctl tuner watches for administrator-driven sysctl settings, and disables tuners that could collide with them.

Each tuner declares which sysctls it operates on, and if we see a sysctl setting that collides with one of our managed sysctls, the associated tuner is disabled. bpftune must be restarted to re-enable it.

Intent is to get out of the way of the active administrator.