Xavier platform, ether_linux driver problem

Please provide the following info (check/uncheck the boxes after creating this topic):
Software Version
DRIVE OS Linux 5.2.6
DRIVE OS Linux 5.2.6 and DriveWorks 4.0
[*] DRIVE OS Linux 5.2.0
DRIVE OS Linux 5.2.0 and DriveWorks 3.5
NVIDIA DRIVE™ Software 10.0 (Linux)
NVIDIA DRIVE™ Software 9.0 (Linux)
other DRIVE OS version

Target Operating System
[*] Linux

Hardware Platform
[*] NVIDIA DRIVE™ AGX Xavier DevKit (E3550)
NVIDIA DRIVE™ AGX Pegasus DevKit (E3550)

SDK Manager Version

Host Machine Version
[*] native Ubuntu 18.04

We encountered a problem: sometimes we ping fails until we ifconfig down/up the adapter on xavier.
The error info with ethtool(ethtool -S eth0) we get:

It can be seen that the statistics of rx_buf_unavail_irq_n and rx_buf_unavail_irq_n are very large and continue to rise.

Can someone help solve it?

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