features: - | The Spanning Tree Protocol (STP) can now be configured on bridge interfaces. Enable or disable STP by setting the ``bridge_stp`` attribute for a network. Note that STP is not set by default on Ubuntu, but it is disabled on Rocky Linux 9 for compatibility with network scripts, as NetworkManager enables STP on all bridges by default. upgrade: - | For Rocky Linux 9, Kayobe now disables STP on a bridge by default. This action will cause the bridge interface to restart during the host configuration process.