VXOC Astra-J/GTC

Hi all
When pulling away I get a knock just has the clutch bites ,as though something locks into the clutch plate and shoots you forward but it doesn't always do It anybody else experienced this ? Could it be drive shaft ?
Help 11 months old

I've never heard of this, I would have the car looked over.

Will do just need to book it in but intermittent and seems to do it more when warm