The interface is used by several ports,
Furthermore https://gitlab.com/alfix/sysctlinfo has
testing/ misc tests (name, CTL_MAXNAME levels, etc)
testing/regression/ compatibility with the 'undocumented interface'
testing/time/ for: efficiency
testing/lock/: trivial nodes to test lock/system panic
converted/ tools: converted to use sysctlinfo
deskutils/ols (sysctlview, sysutils/nsysctl, audio/mixertui and devel/libsysctlbyname,sysctlmibinfo2 use sysutils/sysctlinfo-kmodnametomib)