podman/docs/source/markdown/options/uts.container.md

--uts=mode

Set the UTS namespace mode for the container. The following values are supported:

• host: use the host's UTS namespace inside the container.
• private: create a new namespace for the container (default).
• ns:[path]: run the container in the given existing UTS namespace.
• container:[container]: join the UTS namespace of the specified container.