MAAS 3.5.3 Cannot deploy windows server

MAAS 3.5.3 Cannot deploy windows server
The first step, packaging the image with dd, is normal.

qemu.windows_builder: output will be in this color.

==> qemu.windows_builder: Retrieving ISO
==> qemu.windows_builder: Trying /root/Windows_Server_2016_Datacenter_EVAL_en-us_14393_refresh.ISO
==> qemu.windows_builder: Trying /root/Windows_Server_2016_Datacenter_EVAL_en-us_14393_refresh.ISO
==> qemu.windows_builder: /root/Windows_Server_2016_Datacenter_EVAL_en-us_14393_refresh.ISO => /root/Windows_Server_2016_Datacenter_EVAL_en-us_14393_refresh.ISO
==> qemu.windows_builder: Creating floppy disk...
    qemu.windows_builder: Copying files flatly from floppy_files
    qemu.windows_builder: Copying file: ./http/Autounattend.xml
    qemu.windows_builder: Copying file: ./http/logon.ps1
    qemu.windows_builder: Copying file: ./http/rh.cer
    qemu.windows_builder: Done copying files from floppy_files
    qemu.windows_builder: Collecting paths from floppy_dirs
    qemu.windows_builder: Resulting paths from floppy_dirs : []
    qemu.windows_builder: Done copying paths from floppy_dirs
    qemu.windows_builder: Copying files from floppy_content
    qemu.windows_builder: Done copying files from floppy_content
==> qemu.windows_builder: Starting HTTP server on port 8995
    qemu.windows_builder: No communicator is set; skipping port forwarding setup.
==> qemu.windows_builder: Looking for available port between 5900 and 6000 on 0.0.0.0
==> qemu.windows_builder: Starting VM, booting from CD-ROM
==> qemu.windows_builder: Overriding default Qemu arguments with qemuargs template option...
==> qemu.windows_builder: Waiting 2s for boot...
==> qemu.windows_builder: Connecting to VM via VNC (0.0.0.0:5948)
==> qemu.windows_builder: Typing the boot commands over VNC...
    qemu.windows_builder: No communicator is configured -- skipping StepWaitGuestAddress
==> qemu.windows_builder: Waiting for shutdown...
==> qemu.windows_builder: Running post-processor:  (type shell-local)
==> qemu.windows_builder (shell-local): Running local shell script: /tmp/packer-shell3916095822
    qemu.windows_builder (shell-local): Syncing output-windows_builder/packer-windows_builder...
    qemu.windows_builder (shell-local): output-windows_builder/packer-windows_builder
    qemu.windows_builder (shell-local): Loading nbd...
    qemu.windows_builder (shell-local): Using /dev/nbd0
    qemu.windows_builder (shell-local): Binding image to /dev/nbd0...
    qemu.windows_builder (shell-local): /dev/nbd0 disconnected
    qemu.windows_builder (shell-local): Waiting for partitions to be created...
    qemu.windows_builder (shell-local): Adding curtin-hooks to image...
    qemu.windows_builder (shell-local): /dev/nbd0 disconnected
==> qemu.windows_builder: Running post-processor:  (type compress)
==> qemu.windows_builder (compress): Using pgzip compression with 56 cores for windows.dd.gz
==> qemu.windows_builder (compress): Archiving output-windows_builder/packer-windows_builder with pgzip
==> qemu.windows_builder (compress): Archive windows.dd.gz completed
Build 'qemu.windows_builder' finished after 13 minutes 21 seconds.

==> Wait completed after 13 minutes 21 seconds

==> Builds finished. The artifacts of successful builds are:
--> qemu.windows_builder: VM files in directory: output-windows_builder
--> qemu.windows_builder: VM files in directory: output-windows_builder
--> qemu.windows_builder: compressed artifacts in: windows.dd.gz
rm http/Autounattend.xml

The second step, the installation of the system, encounters a boot issue.
Loading http://xx.xx.xx.xx:xxx/images/boot-kernel… failed: No such file or directoryboot: