static boolean contains(ByteBuffer bytes, byte[] subsequence) {
    bytes:
    for (int i = 0; i < bytes.remaining() - subsequence.length + 1; i++) {
      for (int j = 0; j < subsequence.length; j++) {
        if (bytes.get(bytes.position() + i + j) != subsequence[j]) {
          continue bytes;
        }
      }
      return true;
    }
    return false;
  }
Some formats clash on partial data. For example, a v1 and v2 span is identical if only the span
name is sent. This looks for unexpected data format.
zipkin-server/src/main/java/zipkin2/server/internal/ZipkinHttpCollector.java