Unable to orchestrate start VM instance

[wdc8866]

Unable to orchestrate start VM instance {"id":5,"instanceName":"i-2-5-VM","type":"User","uuid":"56b014e0-7bea-4cf0-b04b-b62ba397b023"} due to [Template 201 could not be downloaded on pool 1, failing after trying on several hosts Details: The downloaded file is not a valid QCOW2. Ask the administrator to check the logs for more details.].

[boring-cyborg]

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[weizhouapache]

Unable to orchestrate start VM instance {"id":5,"instanceName":"i-2-5-VM","type":"User","uuid":"56b014e0-7bea-4cf0-b04b-b62ba397b023"} due to [Template 201 could not be downloaded on pool 1, failing after trying on several hosts Details: The downloaded file is not a valid QCOW2. Ask the administrator to check the logs for more details.].

it looks like the qcow2 is not accepted by cloudstack due to security concerns.
can you share the output of qemu-img info xxx.qcow2 ?