diff --git a/watcher/decision_engine/strategy/strategies/vm_workload_consolidation.py b/watcher/decision_engine/strategy/strategies/vm_workload_consolidation.py
index ae3fa3d6a..d439cdee9 100644
--- a/watcher/decision_engine/strategy/strategies/vm_workload_consolidation.py
+++ b/watcher/decision_engine/strategy/strategies/vm_workload_consolidation.py
@@ -110,9 +110,9 @@ class VMWorkloadConsolidation(base.ServerConsolidationBaseStrategy):
             return state.value
         else:
             LOG.error(_LE('Unexpexted resource state type, '
-                          'state=%(state)s, state_type=%(st)s.'),
-                      state=state,
-                      st=type(state))
+                          'state=%(state)s, state_type=%(st)s.') % dict(
+                              state=state,
+                              st=type(state)))
             raise exception.WatcherException
 
     def add_action_enable_compute_node(self, node):
@@ -161,9 +161,9 @@ class VMWorkloadConsolidation(base.ServerConsolidationBaseStrategy):
             # migration mechanism to move non active VMs.
             LOG.error(
                 _LE('Cannot live migrate: instance_uuid=%(instance_uuid)s, '
-                    'state=%(instance_state)s.'),
-                instance_uuid=instance_uuid,
-                instance_state=instance_state_str)
+                    'state=%(instance_state)s.') % dict(
+                        instance_uuid=instance_uuid,
+                        instance_state=instance_state_str))
             return
 
         migration_type = 'live'
@@ -240,10 +240,8 @@ class VMWorkloadConsolidation(base.ServerConsolidationBaseStrategy):
 
         if not instance_ram_util or not instance_disk_util:
             LOG.error(
-                _LE('No values returned by %(resource_id)s '
-                    'for memory.usage or disk.root.size'),
-                resource_id=instance_uuid
-            )
+                _LE('No values returned by %s for memory.usage '
+                    'or disk.root.size'), instance_uuid)
             raise exception.NoDataFound
 
         self.ceilometer_instance_data_cache[instance_uuid] = dict(