Uncaught exception when accessing non-existent key in image_sizes map
https://gitlab.com/boldhearts/ros2_v4l2_camera/-/blob/foxy/src/v4l2_camera.cpp#L163
That line throws an std::out_of_range exception when there is no entry for a pixel format in the image_sizes map.
Guarding that for loop with a if (image_sizes.find(format.pixelFormat) != image_sizes.end())
fixed it for me and the camera node works, but I have no clue if that hides an underlying problem