Development tools for Zephyr on STM32Workbench for Zephyr: VS Code extension to set up, build, flash and debug Zephyr applications on STM32.Devicetree manager: browse, edit and visualize Zephyr devicetree, STM32CubeMX-like for Zephyr.
Disabling network connecivity (Ethernet, Wifi) fixed the problem. This is not a long term solution though. If it helps, i maybe can provide additional information to assist?