If the disk size is specified as a decimil number the generated metadat.json file is invalid resulting in a broken vagrant box.  Wraped this in the awk int() function to only print the integer part of the disk size.
If the disk size is specified as a decimil number the generated metadat.json file is invalid resulting in a broken vagrant box.  Wraped this in the awk int() function to only print the integer part of the disk size.

brk3/vagrant-libvirt,pradels/vagrant-libvirt,electrofelix/vagrant-libvirt,electrofelix/vagrant-libvirt,pradels/vagrant-libvirt,infernix/vagrant-libvirt,electrofelix/vagrant-libvirt,leoh0/vagrant-libvirt,skamithi/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt,brk3/vagrant-libvirt,infernix/vagrant-libvirt,sendgrid-ops/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt,infernix/vagrant-libvirt,vagrant-libvirt/vagrant-libvirt,leoh0/vagrant-libvirt,sendgrid-ops/vagrant-libvirt,skamithi/vagrant-libvirt