event list display clusterid error

In the output of event list, the column "id" and "oid" is short by default, but the "cluster_id" is long.

It should be short by default also.

stack@tecs:/home$ openstack cluster event list
+----------+-----------------------+----------+----------+-----------+-----------------------+-----------+-------+------------------------+
| id | generated_at | obj_type | obj_id | obj_name | action | status | level | cluster_id |
+----------+-----------------------+----------+----------+-----------+-----------------------+-----------+-------+------------------------+
| 47142fdb | 2016-11-15T07:10:29+0 | CLUSTER | a346d481 | mycluster | CLUSTER_CREATE | START | INFO | a346d481-6c13-45bd-899 |
| | 0:00 | | | | | | | 3-0ad0e458d2c6 |
| d5c0d604 | 2016-11-15T07:10:35+0 | CLUSTER | a346d481 | mycluster | CLUSTER_CREATE | SUCCEEDED | INFO | a346d481-6c13-45bd-899 |
| | 0:00 | | | | | | | 3-0ad0e458d2c6