int bodyLen = 8 + bc; // 8 bytes fixed + variable data
        byte[] buf = new byte[bodyLen];
        SMBUtil.writeInt2(9, buf, 0); // structureSize
        buf[2] = (byte) errorContextCount; // ErrorContextCount
        // one reserved byte at position 3
        SMBUtil.writeInt4(bc, buf, 4); // ByteCount
        if (bc > 0 && errorData != null) {

    }

    /**
     * Gets the error data associated with this message.
     *
     * @return the errorData
     */
    public final byte[] getErrorData() {
        return this.errorData;
    }

    /**
     * Gets the error context count for this message.
     *
     * @return the errorContextCount
     */

        int bodyStart = headerStart + Smb2Constants.SMB2_HEADER_LENGTH;
        // Error response structure: size(2)=9, errorContextCount(1), reserved(1), bc(4), errorData(bc)
        SMBUtil.writeInt2(9, buf, bodyStart);
        buf[bodyStart + 2] = 0x02; // errorContextCount
        buf[bodyStart + 3] = 0x00; // reserved
        int bc = 4;

        if (state != ChannelState.ESTABLISHED && state != ChannelState.ACTIVE)
            return 0;

        // Adjust based on error rate
        double errorRate = getErrorRate();
        if (errorRate > 0.1)
            score -= 50;
        else if (errorRate > 0.01)
            score -= 20;

        // Adjust based on interface capabilities
        score += localInterface.getScore() / 100;

                return true;
            }
        }

        // If we've had many errors, consider fallback
        double errorRate = statistics.getErrorRate();
        if (errorRate > 0.1) { // More than 10% error rate
            log.warn("High RDMA error rate ({:.1f}%), TCP fallback recommended", errorRate * 100);
            return true;
        }

        return false;
    }

    /**

        if (state != ChannelState.ESTABLISHED && state != ChannelState.ACTIVE) return 0;
        
        // Adjust based on error rate
        double errorRate = getErrorRate();
        if (errorRate > 0.1) score -= 50;
        else if (errorRate > 0.01) score -= 20;
        
        // Adjust based on interface capabilities
        score += localInterface.getScore() / 100;

    }

    @Override
    public String toString() {
        return String.format(
                "RdmaStatistics[reads=%d, writes=%d, sends=%d, receives=%d, "
                        + "bytes=%d, errors=%d, errorRate=%.3f, activeConnections=%d, activeMemRegions=%d]",
                rdmaReads.get(), rdmaWrites.get(), rdmaSends.get(), rdmaReceives.get(), bytesTransferred.get(), operationErrors.get(),