diff --git a/nova/db/sqlalchemy/api.py b/nova/db/sqlalchemy/api.py
index 9e3208028..d4b77ad70 100644
--- a/nova/db/sqlalchemy/api.py
+++ b/nova/db/sqlalchemy/api.py
@@ -2953,7 +2953,7 @@ def quota_reserve(context, resources, quotas, deltas, expire,
 
     if unders:
         LOG.warning(_("Change will make usage less than 0 for the following "
-                      "resources: %(unders)s") % locals())
+                      "resources: %s"), unders)
     if overs:
         usages = dict((k, dict(in_use=v['in_use'], reserved=v['reserved']))
                       for k, v in usages.items())
diff --git a/nova/utils.py b/nova/utils.py
index 1a2db757f..6fa418575 100644
--- a/nova/utils.py
+++ b/nova/utils.py
@@ -398,7 +398,7 @@ def get_my_linklocal(interface):
             raise exception.NovaException(msg)
     except Exception as ex:
         msg = _("Couldn't get Link Local IP of %(interface)s"
-                " :%(ex)s") % locals()
+                " :%(ex)s") % {'interface': interface, 'ex': ex}
         raise exception.NovaException(msg)
 
 
@@ -1105,12 +1105,12 @@ def check_string_length(value, name, min_length=0, max_length=None):
 
     if len(value) < min_length:
         msg = _("%(name)s has less than %(min_length)s "
-                    "characters.") % locals()
+                "characters.") % {'name': name, 'min_length': min_length}
         raise exception.InvalidInput(message=msg)
 
     if max_length and len(value) > max_length:
         msg = _("%(name)s has more than %(max_length)s "
-                    "characters.") % locals()
+                "characters.") % {'name': name, 'max_length': max_length}
         raise exception.InvalidInput(message=msg)