/usr/bin/kcapi-speed: unrecognized option '--help'

AF_ALG Kernel Crypto API Speed Test

Kernel Crypto API interface library version: libkcapi 1.5.1
Reported numeric version number 1050100

Usage:
	-a --all	Execute all ciphers
	-l --list	List available ciphers
	-c --cipher	Cipher/cipher type to test
	-t --time	Execution time in seconds
	-b --blocks	Number of blocks to process
	-r --raw	Print out raw numbers for postprocessing
	-v --vmsplice	Use vmsplice kernel interface
	-s --sendmsg	Use sendmsg kernel interface
	-o --aio	Use AIO interface with given number of IOVECs