Cross build target-arch=aarch64 failed on Fedora release 40 when --rootfs btrfs is specified in command line

[chunfuwen]

- sudo podman run --rm -it --privileged --pull=newer --security-opt label=type:unconfined_t -v /var/lib/libvirt/images/output:/output  -v /var/lib/containers/storage:/var/lib/containers/storage    quay.io/centos-bootc/bootc-image-builder:latest  --type qcow2 --tls-verify=true  --config /config.json  --target-arch=aarch64  --local localhost/manifest-test  --rootfs btrfs

output failed log:

WARNING: target-arch is experimental and needs an installed 'qemu-user' package
[\] Disk image building step
[4 / 5] Pipeline image [----------------------------------------------------------------------------------->____________________] 80.00%
[6 / 13] Stage org.osbuild.mkfs.btrfs [----------------------------------------->_______________________________________________] 46.15%
Message: Finished pipeline image
2025/07/08 08:43:51 error: cannot run osbuild: error running osbuild: exit status 1
BuildLog:
starting -
Starting pipeline source org.osbuild.containers-storage
Finished module source org.osbuild.containers-storage
Finished pipeline org.osbuild.containers-storage
Starting pipeline build
Starting module org.osbuild.container-deploy
time="2025-07-08T08:41:32Z" level=info msg="Image operating system mismatch: image uses OS \"linux\"+architecture \"arm64\"+\"\", expecting one of \"linux+amd64+\\\"\\\"\""
Copying blob sha256:159348fa9cfbb75c5cb57e9fac24b9f28477412149e901bdadb909bfaeb84dad
Copying blob sha256:be52fa1dde6071b291e9b2c2da82aedb3e7f32f4328a03678e897ee05ebb0c11
...
done
Finished module org.osbuild.mkfs.ext4
Starting module org.osbuild.mkfs.btrfs
device/device (org.osbuild.loopback): loop0 acquired (locked: True)
Traceback (most recent call last):
File "/run/osbuild/bin/org.osbuild.mkfs.btrfs", line 28, in <module>
ret = main(args["devices"], args["options"])
File "/run/osbuild/bin/org.osbuild.mkfs.btrfs", line 22, in main
subprocess.run(["mkfs.btrfs", "-U", uuid] + opts + [device],
  File "/usr/lib64/python3.9/subprocess.py", line 505, in run
with Popen(*popenargs, **kwargs) as process:
File "/usr/lib64/python3.9/subprocess.py", line 951, in __init__
self._execute_child(args, executable, preexec_fn, close_fds,
File "/usr/lib64/python3.9/subprocess.py", line 1837, in _execute_child
raise child_exception_type(errno_num, err_msg, err_filename)
FileNotFoundError: [Errno 2] No such file or directory: 'mkfs.btrfs'
Finished module org.osbuild.mkfs.btrfs
Finished pipeline image
manifest - failed
Output:
Failed

But actually mkfs.btrfs is installed on the host:
[root@hpe-xx-01 images]# mkfs.btrfs
btrfs-progs v6.12
See https://btrfs.readthedocs.io for more information.

usage: mkfs.btrfs [options] [<dev...>]

Create a BTRFS filesystem on a device or multiple devices