return false
		}
		return true
	})
	return hasContainer
}

const (
	// a sysctl segment regex, concatenated with dots to form a sysctl name
	SysctlSegmentFmt string = "[a-z0-9]([-_a-z0-9]*[a-z0-9])?"

	// a sysctl name regex with slash allowed
	SysctlContainSlashFmt string = "(" + SysctlSegmentFmt + "[\\./])*" + SysctlSegmentFmt

	// the maximal length of a sysctl name