Exception handling while starting a domain.

lib/vagrant-libvirt/action/start_domain.rb

@@ -16,7 +16,12 @@ module VagrantPlugins
 
           domain = env[:libvirt_compute].servers.get(env[:machine].id.to_s)
           raise Errors::NoDomainError if domain == nil
-          domain.start
+
+          begin
+            domain.start
+          rescue => e
+            raise Errors::FogError, :message => e.message
+          end
 
           @app.call(env)
         end

lib/vagrant-libvirt/errors.rb

@@ -48,6 +48,10 @@ module VagrantPlugins
 
 
       # Fog libvirt exceptions
+      class FogError < VagrantLibvirtError
+        error_key(:fog_error)
+      end
+
       class FogLibvirtConnectionError < VagrantLibvirtError
         error_key(:fog_libvirt_connection_error)
       end