diff --git a/ccnode/hypervisor/__init__.py b/ccnode/hypervisor/__init__.py
index 653b55e254012d565fda093b8012d34790d91c36..d02a1114a0d8ea47cf995a46c020fd1b4195b804 100644
--- a/ccnode/hypervisor/__init__.py
+++ b/ccnode/hypervisor/__init__.py
@@ -162,12 +162,13 @@ class Handler(HostHandler):
         return self.hypervisor.vm_define(data)
 
     def vm_undefine(self, name):
-        logger.debug('VM undefine')
+        logger.debug('VM undefine %s', name)
         vm = self.hypervisor.domains.get(name)
         if vm is not None:
             vm.undefine()
 
     def vm_export(self, name, format='xml'):
+        logger.debug('VM export %s', name)
         if format != 'xml':
             raise NotImplementedError('Format not supported')
 
@@ -179,7 +180,7 @@ class Handler(HostHandler):
         return vm.lv_dom.XMLDesc(0)
 
     def vm_stop(self, vm_names=None, force=False):
-        logger.debug('VM stop')
+        logger.debug('VM stop %s', vm_names)
         for vm in self.iter_vms(vm_names):
             try:
                 if force:
@@ -191,17 +192,17 @@ class Handler(HostHandler):
                 pass
 
     def vm_start(self, vm_names=None):
-        logger.debug('VM start')
+        logger.debug('VM start %s', vm_names)
         for vm in self.iter_vms(vm_names):
             vm.start()
 
     def vm_suspend(self, vm_names=None):
-        logger.debug('VM suspend')
+        logger.debug('VM suspend %s', vm_names)
         for vm in self.iter_vms(vm_names):
             vm.suspend()
 
     def vm_resume(self, vm_names=None):
-        logger.debug('VM resume')
+        logger.debug('VM resume %s', vm_names)
         for vm in self.iter_vms(vm_names):
             vm.resume()