I have a new raspberry Pi5 with Stellermate OS installed.
I also have a MacMini near it. Both are connected to my home network via Ethernet,

After I stop using the Stellermate Pi for several hours (like in the day after a god night imaging) the Pi disconnects the Ethernet, I have to reboot to get it back.
However, the Mac on the same network and right next to the Pi never losses the connection.
I swapped out ethernet lines and it made no difference. The Mac stays connected 24/7. The Pi loses it.

Note that after booting, the connection will stay on all night s long as I am using it. No issues with KStars all night and controlled from my home.
But a few hours after quitting KStars for the night, I have to reboot to get the connectional again.

Any ideas?

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