Wlfreerdp to krdp not showing anything

I try to test krdp by connecting to it from the same desktop with wlfreerdp

kinfo

Operating System: Kubuntu 25.04
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3
Kernel Version: 6.14.0-15-generic (64-bit)
Graphics Platform: Wayland
Processors: 12 × Intel® Core™ i5-10400F CPU @ 2.90GHz
Memory: 15.5 GiB of RAM
Graphics Processor: llvmpipe

krdpserver -u test -p test --address 192.168.1.2 --port 3389 --quality 50

org.kde.krdp: Listening for connections on QHostAddress("192.168.1.2") 3389
org.kde.krdp: Initializing Freedesktop Portal Session
org.kde.krdp: Session setup completed, start processing...
org.kde.krdp: Started Freedesktop Portal session
libva info: VA-API version 1.22.0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/nouveau_drv_video.so
libva info: Found init function __vaDriverInit_1_22
libva info: va_openDriver() returns 0
kpipewire_vaapi_logging: VAAPI: Mesa Gallium driver 25.0.3-1ubuntu2 for NV106 in use for device "/dev/dri/renderD128"
kpipewire_vaapi_logging: DRM device not found
org.kde.krdp: New client connected:  UNIX platform Unknown version

export WAYLAND_DISPLAY=wayland-0

wlfreerdp /v:192.168.1.2:3389 /u:test /p:test /w:1280 /h:720 /bpp:32 /gfx
org.kde.krdp: Listening for connections on QHostAddress("192.168.1.2") 3389
org.kde.krdp: Initializing Freedesktop Portal Session
org.kde.krdp: Session setup completed, start processing...
org.kde.krdp: Started Freedesktop Portal session
libva info: VA-API version 1.22.0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/nouveau_drv_video.so
libva info: Found init function __vaDriverInit_1_22
libva info: va_openDriver() returns 0
kpipewire_vaapi_logging: VAAPI: Mesa Gallium driver 25.0.3-1ubuntu2 for NV106 in use for device "/dev/dri/renderD128"
kpipewire_vaapi_logging: DRM device not found
org.kde.krdp: New client connected:  UNIX platform Unknown version

krdp 6.3.4-0ubuntu1

FreeRDP version 2.11.7

wlfreerdp window do not appear, only a button it is shown on taskbar.
No errors reported on either side, server or client.
I even run wlfreerdp with /log-level:debug, no errors are shown in the detailed output.

From a windows 11 laptop I can connect to krdp just fine with Thincast client, so the server works ok.
I’m not even sure it is correct to test the connection to krdp by running wlfreerdp from the same desktop, but I saw in a bug that someone did that on Gnome with their rdp server and client and it worked.

Is there any debug on krdp side to get more info about what is doing?
Can I test this way by running krdp and wlfreerdp on the same desktop?

Thanks