If you don’t mind maybe you can set speed to 100 MBit with ethtool to check if at least that is stable.
ethtool -s eth0 speed 100 duplex full autoneg off
If you don’t mind maybe you can set speed to 100 MBit with ethtool to check if at least that is stable.
ethtool -s eth0 speed 100 duplex full autoneg off