Schunk SVH 5-Finger, Connection Failed

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Hi, When i use the cmd :

roslaunch schunk_svh_driver svh_controller.launch name_prefix:=right_hand standalone:=true

I have this error msg :

DriverSVH(Error) SVHFingerManager::connect: Connection Failed! Send packages = 28, received packages = 25. Retrying, count: 1

The hardware run well when im using the diagnostic GUI with Ethernet Connection but in USB i dont be able to connect the device

I check all the hardware but the problem still here, can you help me ?

Thanks for your time