sr: device: hantek-6xxx: Opening device instance.
hantek-6xxx: Failed to open device: LIBUSB_ERROR_NOT_SUPPORTED.
sr: hantek-6xxx: Unable to open device.
Notifying user of session error: "Failed to open device" ; "generic/unspecified error"
maybe this can help
https://sourceforge.net/p/sigrok/mailman/message/35252773/