How to network containers (LXC/docker) on a linux host so that traffic goes through connected router?

I am looking for a solution that doesn’t involve network namespace isolation. Is there a way to ping containers (C1->C2) in same global namespace and avoid linux host bridging/routing, so that it goes to the router? +————————+ | Linux host | | | | 1.1.1.2 1.1.1.3 | | +—–+ +—–+ | | | | |…