Fix error print format
This is to fix the error print format of "%{mtu}s".
@@ -71,7 +71,7 @@ def find_ports_by_mtu(all_ports, port_ids_conf, mtu):
managed_port_map, unmatched = match_ports(valid_ports, port_ids_conf)
if not managed_port_map:
msg = (_('None of the configured port %(conf)s matches the mtu '
- '%{mtu}s.') % {'conf': port_ids_conf, 'mtu': mtu})
+ '%(mtu)s.') % {'conf': port_ids_conf, 'mtu': mtu})
raise exception.ShareBackendException(msg=msg)
return managed_port_map
