This appears to be a potential solution:
500 server error on new Raspberry Pi install Updating image ghcr.io - #9 by agners.
Edit: Can you ping 1.1.1.1 or 8.8.8.8?
This appears to be a potential solution:
500 server error on new Raspberry Pi install Updating image ghcr.io - #9 by agners.
Edit: Can you ping 1.1.1.1 or 8.8.8.8?