libvirt-bin 4.0.0-1ubuntu12 (amd64 binary) in ubuntu cosmic

 Libvirt is a C toolkit to interact with the virtualization capabilities
 of recent versions of Linux (and other OSes). The library aims at providing
 a long term stable C API for different virtualization mechanisms. It currently
 supports QEMU, KVM, XEN, OpenVZ, LXC, and VirtualBox.
 .
 This is a transitional package. You can safely remove it.