Don't tell them. Or tell them it's a refrigerator. When they show up turn the miners off and say the miners don't work. Are they going to raid every house or connex on the planet looking for asics? If anything this would make solo mining more profitable. This is a sanction which indicates war is being declared, but we aren't shooting bullets or dropping bombs, just using electricity. That's the beauty of electricity, it's really hard to tell what it works for.