A new index for each container?

I am currently running a test environment to try gelf logging driver to monitor container logs with a single node stack and so far it worked well. But I need to make some changes and I’m pretty new to this so I need some help. Each container’s logs are being sent to a single index which is "logstash*", I want seperate indexes for each container preferebly using gelf logging driver. If this has a solution through another driver I’m open to hear that as well.

Thanks in advance.

Source: Docker Questions