Merge https://github.com/jenkinsci/libvirt-slave-plugin/pull/2
fixed a long time ago in https://github.com/jenkinsci/libvirt-slave-plugin/commit/69b19c4d056c07a16825b3dff8c52854b7340ba4
fixed a long time ago in https://github.com/jenkinsci/libvirt-slave-plugin/commit/69b19c4d056c07a16825b3dff8c52854b7340ba4