Host: Linux Ubuntu 22.04 
Qt Creator 12.0.0
Device: Raspberry Pi4 64 bit 
Qt ver.: (Qt 6.7.0 dev snapshot/ 2023-11-27)

Steps to reproduce:

1. Make sure there are 2 cameras connected to the device (I used 2 webcams).
2. Open one of camera examples:
   1. https://doc.qt.io/qt-6/qtmultimedia-player-example.html
   2. https://doc.qt.io/qt-6/qtmultimedia-declarative-camera-example.html
3. Run it on Raspberry Pi 4 64bit.
4. Start switching between the cameras (do it multiple times if needed to reproduce).

Expected: The camera should still stream the video.

Actual: The app freezes and the camera stops streaming the video. Even after relaunching the app - it's not streaming the video.

Reproducibility:  100%