process in port 8000 continues running after kill when using forking

🔄 Reproduction Steps

1. Following hardhat.config

networks: {
        hardhat: {
            polkavm: true,
            docker: true,
            forking: {
                url: "https://testnet-passet-hub.polkadot.io",
            },
        },
        localNode: {
            polkavm: true,
            url: `http://127.0.0.1:8545`,
        },
    },

2. npx hardhat node
3. Ctr+C
4. npx hardhat node

🤔 Expected Behavior

Server listens on 8000 Server listens on 8000

😯 Current Behavior

Server listens on 8000 Server listens on 8001