/usr/lib/virt-sysprep/firstboot.sh start
Scripts dir: /usr/lib/virt-sysprep/scripts
=== Running /usr/lib/virt-sysprep/scripts/0001-mkswap--dev-vda2-update-initramfs--u-resize2fs--dev-vda1-apt ===
mkswap: /dev/vda3: warning: wiping old swap signature.
Setting up swapspace version 1, size = 1021 MiB (1070592000 bytes)
no label, UUID=687292c4-0591-47b4-99a0-9eb36dd62448
resize2fs 1.47.0 (5-Feb-2023)
The filesystem is already 1048576 (4k) blocks long.  Nothing to do!

Removed "/etc/systemd/system/default.target.wants/guestfs-firstboot.service".