logback-android/src/main/java/ch/qos/logback/classic/net/SyslogAppender.java
private void handleThrowableFirstLine(OutputStream sw, IThrowableProxy tp, String stackTracePrefix, boolean isRootException) throws IOException {
    StringBuilder sb = new StringBuilder().append(stackTracePrefix);

    if (!isRootException) {
      sb.append(CoreConstants.CAUSED_BY);
    }
    sb.append(tp.getClassName()).append(": ").append(tp.getMessage());
    sw.write(sb.toString().getBytes());
    sw.flush();
  }
private void handleThrowableFirstLine(OutputStream sw, IThrowableProxy tp, String stackTracePrefix, boolean isRootException) throws IOException {
    StringBuilder sb = new StringBuilder().append(stackTracePrefix);

    if (!isRootException) {
      sb.append(CoreConstants.CAUSED_BY);
    }
    sb.append(tp.getClassName()).append(": ").append(tp.getMessage());
    sw.write(sb.toString().getBytes());
    sw.flush();
  }
LOGBACK-411 and  LOGBACK-750