Currently any attempt to use vagrant-libvirt with fog-libvirt newer than 0.0.3 with the current release of ruby-libvirt will result in the following error:
/home/baileybd/.vagrant.d/gems/gems/fog-libvirt-0.0.4/lib/fog/libvirt/requests/compute/dhcp_leases.rb:8:in `dhcp_leases': NULL pointer given (ArgumentError) from /home/baileybd/.vagrant.d/gems/gems/fog-libvirt-0.0.4/lib/fog/libvirt/requests/compute/dhcp_leases.rb:8:in `dhcp_leases' from /home/baileybd/.vagrant.d/gems/gems/fog-libvirt-0.0.4/lib/fog/libvirt/models/compute/network.rb:20:in `dhcp_leases' from /home/baileybd/.vagrant.d/gems/gems/fog-libvirt-0.0.4/lib/fog/libvirt/models/compute/server.rb:272:in `block in addresses' from /home/baileybd/.vagrant.d/gems/gems/fog-core-1.42.0/lib/fog/core/collection.rb:19:in `each' from /home/baileybd/.vagrant.d/gems/gems/fog-core-1.42.0/lib/fog/core/collection.rb:19:in `each' from /home/baileybd/.vagrant.d/gems/gems/fog-libvirt-0.0.4/lib/fog/libvirt/models/compute/server.rb:270:in `addresses' from /home/baileybd/.vagrant.d/gems/gems/vagrant-libvirt-0.0.32.hp.2/lib/vagrant-libvirt/action/wait_till_up.rb:44:in `block (3 levels) in call' from /home/baileybd/.vagrant.d/gems/gems/fog-core-1.42.0/lib/fog/core/model.rb:72:in `instance_eval' from /home/baileybd/.vagrant.d/gems/gems/fog-core-1.42.0/lib/fog/core/model.rb:72:in `block in wait_for' from /home/baileybd/.vagrant.d/gems/gems/fog-core-1.42.0/lib/fog/core/wait_for.rb:7:in `block in wait_for' from /home/baileybd/.vagrant.d/gems/gems/fog-core-1.42.0/lib/fog/core/wait_for.rb:6:in `loop' from /home/baileybd/.vagrant.d/gems/gems/fog-core-1.42.0/lib/fog/core/wait_for.rb:6:in `wait_for' from /home/baileybd/.vagrant.d/gems/gems/fog-core-1.42.0/lib/fog/core/model.rb:69:in `wait_for'