1. `ninja`
2. `./src/bitcoind -regtest` -> No Chronik log
3. `./src/bitcoind -regtest -chronik` -> `Starting Chronik bound to [127.0.0.1:18442, [::1]:18442]`
4. `./src/bitcoind -regtest -chronik -chronikbind=0.0.0.0:1234` -> `Starting Chronik bound to [0.0.0.0:1234]`
5. `./src/bitcoind -regtest -chronik -chronikbind=1.2.3.4 -chronikbind=\[::5\]:6789` -> `Starting Chronik bound to [1.2.3.4:18442, [::0.0.0.5]:6789]`
6. `./src/bitcoind -regtest -chronik -chronikbind=invalid` -> `Error: Invalid Chronik host address "invalid": invalid IP address syntax`