__NR_socketpair    57 arch/x86/include/generated/uapi/asm/unistd_64.h #define __NR_socketpair 53
__NR_socketpair    49 arch/x86/include/generated/uapi/asm/unistd_x32.h #define __NR_socketpair (__X32_SYSCALL_BIT + 53)