Home Assistant Yellow - ZigBee devices not responding

Hi,
I just received my Home Assistant Yellow and migrated my Conbee II to the integrated radio through the “migrate radio” feature. After doing this I can’t control any of my devices unfortunately. Most of them are marked as online but they don’t respond to any input. Some sensors are online and work others did not come back. Any hints?

I sometimes see this log:

[0x61EE:11:0x0006]: async_initialize: all attempts have failed: [DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>')]
[0x87AC:11:0x0006]: async_initialize: all attempts have failed: [DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>')]
[0xCF15:11:0x0300]: async_initialize: all attempts have failed: [DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>')]
[0xA82E:1:0x0500]: async_initialize: all attempts have failed: [DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>')]
[0x845C:11:0x0006]: async_initialize: all attempts have failed: [DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>'), DeliveryError('Failed to deliver message: <EmberStatus.DELIVERY_FAILED: 102>')]