After scouring for ages looking for this fix. I’ve decided to document it.
It comes form a number of sources. Kudos to the individual people.
Rebooting from windows into Linux renders the NIC unusable. the classic “lights are on but no one is home”
Some people advice disabling PXE etc in the bios. There is a better solution
Identify the NIC
Create a systemd oneshot service file
Reset NIC bash file
Make it executable