VM not working
I used the following command:
docker run -p 3391:3389 -td --name kvm34 --privileged -v /var/lib/libvirt/images/image.qcow2:/image/image.qcow2 -e AUTO_ATTACH=y bbvainnotech/kvm:latest

I have the following answer:

Hi, @odenisnobre.
I've tried running your incantation, and noticed that you added an spurious .qcow2 suffix to the image mapping (the /image/image on the right side), which causes an error for me:
2022-09-18T05:11:37.691660Z qemu-kvm: -drive if=virtio,file=/image/image: could not open disk image /image/image: Could not open '/image/image': No such file or directory
If you just drop this suffix, it should work just fine. See the examples on the README for reference.
The message dnsmasq: junk found in command line is harmless, I think, and after reviewing the script I now have an idea of what is causing it and how to fix it (let's just say it's a mild case of
backslash overdose :-)).
Hope that it helps!
Happy hacking,
pancho