code: func checkIPExists(ipToCheck string, args []string, runner *runner) (bool, error) {
  	ipAddress, err := runner.exec.Command(cmdNetsh, args...).CombinedOutput()
  	if err != nil {
  		return false, err
  	}
  	ipAddressString := string(ipAddress[:])
  	klog.V(3).Infof("Searching for IP: %v in IP dump: %v", ipToCheck, ipAddressString)
  	showAddressArray := strings.Split(ipAddressString, "\n")
  	for _, showAddress := range showAddressArray {
  		if strings.Contains(showAddress, "IP") {
  			ipFromNetsh := getIP(showAddress)
  			if ipFromNetsh == ipToCheck {
  				return true, nil
  			}
  		}
  	}
  
  	return false, nil
  }
docs: // checkIPExists checks if an IP address exists in 'netsh interface ipv4 show address' output