"cannot execute: required file not found" when chroot to a rootfs with different architecture

I bootstrapped an arch x86_64 rootfs on arch linux arm vm with qemu-x86_64 binfmt registered and copied static qemu-x86_64 to the same path in the chroot:

[root@archlinux ~]# cat /proc/sys/fs/binfmt_misc/qemu-x86_64
enabled
interpreter /usr/bin/qemu-x86_64
flags: PF
offset 0
magic 7f454c4602010100000000000000000002003e00

[root@archlinux ~]# file rfs/usr/bin/qemu-x86_64 
rfs/usr/bin/qemu-x86_64: ELF 64-bit LSB pie executable, ARM aarch64, version 1 (SYSV), static-pie linked, BuildID[sha1]=1640ccd48aea1547a7b9d5a265cd35cfd9367cbd, for GNU/Linux 3.7.0, with debug_info, not stripped

It threw errors like:

:: Running post-transaction hooks...
( 1/11) Creating system user accounts...
call to execv failed (No such file or directory)
error: command failed to execute correctly

I tried to use

rfs qemu-x86_64 /usr/bin/bash

, the shell seems launch correctly, but any command I type did not work:

[root@archlinux ~]# chroot rfs qemu-x86_64 /usr/bin/bash
ls
/usr/bin/bash: line 1: /usr/bin/ls: cannot execute: required file not found
env
/usr/bin/bash: line 2: /usr/bin/env: cannot execute: required file not found
exit

But running command directly works:

[root@archlinux ~]# chroot rfs qemu-x86_64 /usr/bin/ls
bin
boot
dev
etc
home
lib
lib64
mnt
opt
proc
root
run
sbin
srv
sys
tmp
usr
var

Why and how to fix it?