Hello,
it appears the upgrade from qemu-5.2.0-2 to qemu-5.2.0-3 broke the
functionality of /usr/lib/qemu/qemu-bridge-helper.
This binary is a SUID-binary and therefore requires the user:group to be
root:root. Unfortunately it seems in the latest upgrade the user:group
are colord:colord.
Because of this, trying to use qemu-bridge-helper results in the errore
message
failed to create tun device: Operation not permitted
qemu-system-x86_64: bridge helper failed
Downgrading to qemu-5.2.0-2 fixes the problem.
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