Thank you for contacting Intel.
With regards to your network performance, please check out suggestions found on the website below:
1. Reduce Interrupt Moderation Rate to Low, Minimal, or Off
2. Increase the Transmit Descriptors buffer size. The default is 256. Maximum value is 2048.
3. Increase the Receive Descriptors buffer size. The default is 256. Maximum value is 2048.
4. Disable offloading options under Performance Option
See if these settings help improve the performance.