I just got a new quad built with Naze rev6 and im having some issues.

1. trying to hover, but it jerks really fast. I tried stock pid's, luxfloat and rewrite are not working for it. I spent a hour adjusting PID but nothing. 
2. It also rolls, and yaws on its own

I tried flashing cleanflight and several versions but same problem happening, any ideas ?

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Update:
I think it's the MPU 6500

i was on GITHUB on borisB's betaflight and seems like alot of people where having this issue with the fc gyro ( MPU6500 ) and seems like rubber O-rings helped alot of people, I got some from ebay a few months ago, inserted them between the bottom and top's of the PDB and FC and now the quad flies beautifully !!

1. flying angle or rate ?
2. have you calibrated accelerometer?
3. is the rolling and yawing consistent (always the same way the same pace)?

It could be a gyro issue. Some of the rev 6 boards had problems.