Usage: bpftool [OPTIONS] OBJECT { COMMAND | help }
       bpftool batch file FILE
       bpftool version

       OBJECT := { prog | map | link | cgroup | perf | net | feature | btf | gen | struct_ops | iter | token }
       OPTIONS := { {-j|--json} [{-p|--pretty}] | {-d|--debug} |
                    {-V|--version} }