network shutting down in asus z170 deluxe

I have network problem. I am doing a backup to amazon drive with arq, uploading at 10-15MB/s, and after some time the ethernet connexion crashes (MAC OS says "not connected", with the red dot in ethernet) and I am forced to reboot. I upgraded the BIOS to the last version (1902), but it does not help. Can anything be done to make the NIC more stable?.

I performed the installation as explained in:...

network shutting down in asus z170 deluxe