Use the quickstart for https://strimzi.io/quickstarts/ and follow the minikube guide.
The Log Sink Kamelet is not available out of the box in 1.5.0 Camel-K release so you'll have to install it before installing the flow binding.
If camel-k has been installed in a specific namespace different from the default one, you'll need to add a parameter to all the commands (-n <namespace_name>)
Run the following commands
Check logs
kamel logs kafka-to-kafka-with-regex-router
You should data ingesting into the topic-1 topic, after regex router override the topic name.