We need to pass the --host parameter to the port create to inform neutron on which neutron node to bind the port?

(undercloud) [stack@ocataleafs ~]$ openstack port create --host ocataleafs.lab.example.com --network ctlplane --fixed-ip subnet=subnet0,ip-address=172.20.0.13 fixed-ip-subnet0-t3
+-----------------------+----------------------------------------------------------------------------+
| Field                 | Value                                                                      |
+-----------------------+----------------------------------------------------------------------------+
| admin_state_up        | UP                                                                         |
| allowed_address_pairs |                                                                            |
| binding_host_id       | ocataleafs.lab.example.com                                                 |
| binding_profile       |                                                                            |
| binding_vif_details   | ovs_hybrid_plug='True', port_filter='True'                                 |
| binding_vif_type      | ovs                                                                        |
| binding_vnic_type     | normal                                                                     |
| created_at            | 2017-05-23T15:24:05Z                                                       |
| data_plane_status     | None                                                                       |
| description           |                                                                            |
| device_id             |                                                                            |
| device_owner          |                                                                            |
| dns_assignment        | None                                                                       |
| dns_name              | None                                                                       |
| extra_dhcp_opts       |                                                                            |
| fixed_ips             | ip_address='172.20.0.13', subnet_id='86668c2f-d226-4459-babc-8be614a1ee61' |
| id                    | 6b56a723-f98e-408e-8012-3e5954ba2770                                       |
| ip_address            | None                                                                       |
| mac_address           | fa:16:3e:9d:bc:cc                                                          |
| name                  | fixed-ip-subnet0-t3                                                        |
| network_id            | f19d0817-7394-4f5d-840f-e440476f05b2                                       |
| option_name           | None                                                                       |
| option_value          | None                                                                       |
| port_security_enabled | False                                                                      |
| project_id            | 6a3e466b1a7245cf832e717edc053938                                           |
| qos_policy_id         | None                                                                       |
| revision_number       | 6                                                                          |
| security_group_ids    | b6e8197f-f763-439f-95c2-6f46c702d773                                       |
| status                | DOWN                                                                       |
| subnet_id             | None                                                                       |
| trunk_details         | None                                                                       |
| updated_at            | 2017-05-23T15:24:05Z                                                       |
+-----------------------+----------------------------------------------------------------------------+