code: func parseExcludedCIDRs(excludeCIDRs []string) []*net.IPNet {
  	var cidrExclusions []*net.IPNet
  	for _, excludedCIDR := range excludeCIDRs {
  		_, n, err := net.ParseCIDR(excludedCIDR)
  		if err != nil {
  			klog.Errorf("Error parsing exclude CIDR %q,  err: %v", excludedCIDR, err)
  			continue
  		}
  		cidrExclusions = append(cidrExclusions, n)
  	}
  	return cidrExclusions
  }
docs: // parseExcludedCIDRs parses the input strings and returns net.IPNet
  // The validation has been done earlier so the error condition will never happen under normal conditions