Firmware update error

avrdude -patmega32u4 -c avr910 -D -P /dev/ttyACM0 -b57600 -Uflash:w:atmega32u4_firmware.hex:i -F -u

Found programmer: Id = "CATERIN"; type = S
    Software Version = 1.0; Hardware Version = ?.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize = 128 bytes.

Programmer supports the following devices:
    Device code: 0x44 = (unknown)

avrdude: warning: selected device is not supported by programmer: m32u4
avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude: Device signature = 0x1e9587 (probably m32u4)
avrdude: reading input file "atmega32u4_firmware.hex"
avrdude: writing flash (18726 bytes):

Writing | #                                                  | 2% 0.05savrdude: error: programmer did not respond to command: set addr
Writing | ####                                               | 7% 0.17savrdude: error: programmer did not respond to command: set addr
Writing | ########                                           | 16% 0.38savrdude: error: programmer did not respond to command: write block
Writing | ###########                                        | 21% 0.50savrdude: error: programmer did not respond to command: set addr
Writing | ##########################                         | 51% 3.93savrdude: error: programmer did not respond to command: set addr
Writing | ############################                       | 56% 4.05savrdude: error: programmer did not respond to command: set addr
Writing | #################################                  | 65% 4.26savrdude: error: programmer did not respond to command: set addr
Writing | ###################################                | 70% 4.38savrdude: error: programmer did not respond to command: write block
Writing | ############################################       | 87% 7.94savrdude: error: programmer did not respond to command: write block
Writing | ##############################################     | 91% 8.03savrdude: error: programmer did not respond to command: write block
Writing | ################################################## | 100% 8.24s

avrdude: 18726 bytes of flash written
avrdude: verifying flash memory against atmega32u4_firmware.hex:
avrdude: load data flash data from input file atmega32u4_firmware.hex:
avrdude: input file atmega32u4_firmware.hex contains 18726 bytes
avrdude: reading on-chip flash data:

Reading |                                                    | 0% 0.00savrdude: error: programmer did not respond to command: set addr
Reading | #                                                  | 1% 0.04savrdude: error: programmer did not respond to command: set addr
Reading | #                                                  | 2% 0.05savrdude: error: programmer did not respond to command: set addr
avrdude: error: programmer did not respond to command: set addr
Reading | ##                                                 | 3% 0.07savrdude: error: programmer did not respond to command: set addr
Reading | ##                                                 | 4% 0.08savrdude: error: programmer did not respond to command: set addr
avrdude: error: programmer did not respond to command: set addr
Reading | ###                                                | 5% 0.09savrdude: error: programmer did not respond to command: set addr
Reading | ###                                                | 6% 0.10savrdude: error: programmer did not respond to command: set addr
avrdude: avr910_recv(): programmer is not responding
Reading | ####                                               | 7% 5.12savrdude: avr910_recv(): programmer is not responding
Reading | ################################################## | 100% 11.23s

avrdude: verifying ...
avrdude: verification error, first mismatch at byte 0x0000
         0x0d != 0x0c
avrdude: verification error; content mismatch

avrdude done.  Thank you.