trio2o service and endpoint not created after devstack installation

[ZhangChi]

After devstack install trio2o, trio2o service and endpoint 19996 was not created while 19997 and 19998 was created

stack@upper:~/trio2o/devstack$ openstack endpoint list | grep RegionOne
| 0ddd915de1574f489344c0707596c66a | RegionOne | placement | placement | True | public | http://10.12.10.8/placement |
| 132776e326944758ade5d62f5c0af5e8 | RegionOne | cinderv3 | volumev3 | True | public | http://10.12.10.8:19997/v3/$(tenant_id)s |
| 336018156f414a579d25155648c7f3f1 | RegionOne | neutron | network | True | public | http://10.12.10.8:9696/ |
| 4052f32f63c5446ab6c430b079f5e787 | RegionOne | cinderv3 | volumev3 | True | admin | http://10.12.10.8:19997/v3/$(tenant_id)s |
| 51d88ce9d7664f7ab500637ea895df3e | RegionOne | cinder | volume | True | public | http://10.12.10.8/volume/v1/$(project_id)s |
| 5eaf99c7ddac4ecfa22ac3c16559cddd | RegionOne | nova_legacy | compute_legacy | True | public | http://10.12.10.8/compute/v2/$(project_id)s |
| 6a9c82c45b3b41b48dd082756aa41816 | RegionOne | nova | compute | True | internal | http://10.12.10.8:19998/v2.1/$(tenant_id)s |
| 8c36aef0dd5149b0892057794f9c74a8 | RegionOne | cinderv2 | volumev2 | True | public | http://10.12.10.8/volume/v2/$(project_id)s |
| 945f0fedb6694c198bbadd69bc6ba8db | RegionOne | nova | compute | True | public | http://10.12.10.8:19998/v2.1/$(tenant_id)s |
| a4548002c684460986a8245c847851e6 | RegionOne | keystone | identity | True | admin | http://10.12.10.8/identity |
| d1a1f890ac474280bb2414922c3042e1 | RegionOne | cinder | block-storage | True | public | http://10.12.10.8/volume/v3/$(project_id)s |
| e30cd131a35e4c08b9282ae617ec3051 | RegionOne | cinderv3 | volumev3 | True | internal | http://10.12.10.8:19997/v3/$(tenant_id)s |
| e44784c98d4c4152a85293664f1ec93b | RegionOne | keystone | identity | True | public | http://10.12.10.8/identity |
| f32758823172430587ad76b606e09c70 | RegionOne | nova | compute | True | admin | http://10.12.10.8:19998/v2.1/$(tenant_id)s |
| f868be2090184d698322217b69d68418 | RegionOne | glance | image | True | public | http://10.12.10.8/image