Changpeng Liu

Environment: QEMU: vfio-user-v0.6 libvfiouser: latest master with commit ba6abc4ce1 Got the following errors when doing reboot inside VM: ``` [email protected]:vfio_listener_region_add_ram region_add [ram] 0xc0000 - 0xbfffffff [0x7fcaa7ec0000] qemu-system-x86_64: kvm_set_user_memory_region: KVM_SET_USER_MEMORY_REGION failed,...