Juniper typically provides these images via the official Juniper Download site (requires a support contract) or a Juniper vLabs trial. If you have access, search for "vQFX 20.2R1.10."
This occurs when the virtual storage disk corrupts or fails to sync its write cache correctly when shutting down. Vqfx-20.2r1.10-re-qemu.qcow2
: Indicates the product family (Virtual QFX data center switch). Juniper typically provides these images via the official