I bind security group to FIP port , but security group policy does not take effect Is the security group only applicable to virtual machines port ?

 neutron  port-show 60b5486e-d6d7-49b4-a11d-0750d4b32866

| binding:vif_type      | unbound                                                                              |
| binding:vnic_type     | normal                                                                               |
| created_at            | 2020-01-13T06:44:59Z                                                                 |
| description           |                                                                                      |
| device_id             | c4a2bab2-8916-4b48-8b3e-1084657ddce7                                                 |
| device_owner          | network:floatingip                                                                   |
| extra_dhcp_opts       |                                                                                      |
| fixed_ips             | {"subnet_id": "bc3734ef-508d-4f7b-b352-bb114b816c97", "ip_address": "192.168.32.77"} |
| id                    | 60b5486e-d6d7-49b4-a11d-0750d4b32866                                                 |
| mac_address           | fa:16:3e:3d:26:af                                                                    |
| name                  |                                                                                      |
| network_id            | 9f2ca3c4-6339-4153-a97b-ac816005185b                                                 |
| port_security_enabled | True                                                                                 |
| project_id            |                                                                                      |
| qos_policy_id         |                                                                                      |
| revision_number       | 4                                                                                    |
| security_groups       | cd3647c1-9f27-400b-bff0-7a0a84c6902a                                                 |
| status                | N/A                                                                                  |
| tags                  |                                                                                      |
| tenant_id             |                                                                                      |
| updated_at            | 2020-01-13T06:50:51Z                                                                 |