const golang.org/x/sys/unix.BPF_CGROUP_SYSCTL

one use

	golang.org/x/sys/unix (current package)
		ztypes_linux.go#L2641: 	BPF_CGROUP_SYSCTL                          = 0x12

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)