'xpp_fxloader'[4797]: USB Firmware /usr/share/zaptel/USB_1130.hex into /dev/bus/usb/003/006 /usr/sbin/fpga_load: ERROR: usb: could not set config 1: Device or resource busy /usr/sbin/fpga_load: ERROR: Failed to initialize USB device '/dev/bus/usb/003/007' /usr/sbin/fpga_load: ERROR: Releasing interface: usb: could not release intf 0: Invalid argument 'xpp_fxloader'[4846]: FPGA Firmware /usr/share/zaptel/FPGA_FXS.hex (version: 3415) into /dev/bus/usb/003/007 'xpp_fxloader'[4848]: /usr/sbin/fpga_load: ERROR: Got unexpected reply op=1 'xpp_fxloader'[4848]: /usr/sbin/fpga_load: ERROR: Failed reading eeprom 'xpp_fxloader'[4850]: fpga_load failed with status 234