Do not explicitly enable qemu-guest-agent.service
qemu-guest-agent.service shouldn't be enabled as it is started by the /usr/lib/udev/rules.d/99-qemu-guest-agent.rules udev rule. The unit file's [Install] section is even empty.
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qemu-guest-agent.service shouldn't be enabled as it is started by the /usr/lib/udev/rules.d/99-qemu-guest-agent.rules udev rule. The unit file's [Install] section is even empty.