A couple of things to check. Try swapping your ethernet cable to another interface. What you think is ETH0 might not be the one Astaro thinks. Make sure you're PC address is in the same subnet as the expected ETH0 address.
A couple of things to check. Try swapping your ethernet cable to another interface. What you think is ETH0 might not be the one Astaro thinks. Make sure you're PC address is in the same subnet as the expected ETH0 address.