[Pkg-libvirt-maintainers] Bug#970207: libvirt: Couldn't create default storage pool '/var/lib/libvirt/images

[ElongatedYeet]

Source: libvirt
Severity: important

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   This error occured when trying to create a new VM with libvirt
   When creating a new VM, the error that is returned is "Error: --disk size=10: Couldn't create default storage pool '/var/lib/libvirt/images': Could not build storage pool: unable to control COW flag on '/var/lib/libvirt/images', not btrfs: Function not implemented
   This should not occur as I followed the KVM guide on the wiki. Virt-Manager also could not create a VM

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-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.7.0-3-amd64 (SMP w/4 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), LANGUAGE=en_AU:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled