code: func getIptablesHasCheckCommand(vstring string) bool {
  	minVersion, err := semver.NewVersion(MinCheckVersion)
  	if err != nil {
  		glog.Errorf("MinCheckVersion (%s) is not a valid version string: %v", MinCheckVersion, err)
  		return true
  	}
  	version, err := semver.NewVersion(vstring)
  	if err != nil {
  		glog.Errorf("vstring (%s) is not a valid version string: %v", vstring, err)
  		return true
  	}
  	if version.LessThan(*minVersion) {
  		return false
  	}
  	return true
  }
docs: // Checks if iptables has the "-C" flag