/**
     * Check if this interface is usable for multi-channel
     *
     * @return true if usable
     */
    public boolean isUsableForChannel() {
        return address != null && !address.isLoopbackAddress() && !address.isLinkLocalAddress();
    }

    /**
     * Get a score for interface selection (higher is better)
     *
     * @return interface score
     */
    public int getScore() {

        if (rssCapable) {
            this.capability |= NETWORK_INTERFACE_CAP_RSS;
        }
    }
    
    public boolean isUsableForChannel() {
        return address != null && !address.isLoopbackAddress() 
            && !address.isLinkLocalAddress();
    }
    
    public int getScore() {
        // Score interface for selection (higher is better)
        int score = linkSpeed;  // Base score is link speed