This update for libvirt fixes the following issues: - CVE-2020-14339: Don"t leak /dev/mapper/control into QEMU. Use ioctl"s to obtain the dependency tree of disks and drop use of libdevmapper. - bsc#1161883, bsc#1174458 - qemu: Setup emulator thread and cpuset.mems before exec - bsc#1171946 - libxl: Normalize MAC address in device conf on netdev hotplug - bsc#1172052 - spec: Use a functional requires instead of explicit version requires for the new memory-related libxl APIs - bsc#1167007