In subject: You named the capability QEMU_CAPS_DEVICE_VHOST_USER_FS On Thu, Feb 20, 2020 at 15:32:41 +0100, Ján Tomko wrote: > Introduced by QEMU commit 98fc1ada4cf70af0f1df1a2d7183cf786fc7da05 > virtio: add vhost-user-fs base device > > Released in QEMU v4.2.0. > > Signed-off-by: Ján Tomko <jtomko@xxxxxxxxxx> > Reviewed-by: Peter Krempa <pkrempa@xxxxxxxxxx>