boot: 0.881 instruction: 0.829 graphic: 0.767 device: 0.736 other: 0.674 mistranslation: 0.663 network: 0.556 socket: 0.419 semantic: 0.407 vnc: 0.207 KVM: 0.136 assembly: 0.103 qemu-system-x86_64 -blockdev fails with "CURL: Error opening file" when supplied url of ISO file Steps to reproduce: 1. Run: qemu-system-x86_64 -blockdev driver=https,url=https://archive.fedoraproject.org:443/pub/archive/fedora/linux/releases/28/Server/x86_64/os/images/boot.iso,node-name=libvirt-1-storage,auto-read-only=true The command returns error: qemu-system-x86_64: -blockdev driver=https,url=https://archive.fedoraproject.org:443/pub/archive/fedora/linux/releases/28/Server/x86_64/os/images/boot.iso,node-name=libvirt-1-storage,auto-read-only=true,discard=unmap: CURL: Error opening file: Additional information: This bug is not present in qemu 6.1.0, it surfaced with an update to 6.2.0