Pool needs extra TLS options:

• alpn_protocols
• tls_versions
• tls_container_ref
• tls_ciphers
• tls_enabled
• crl_container_ref
• ca_tls_container_ref

Listener needs extra TLS options:

• alpn_protocols
• tls_ciphers
• client_crl_container_ref
• client_ca_tls_container_ref
• client_authentication
• hsts_include_subdomains
• hsts_max_age
• hsts_preload

These options can be set on POST and PUT requests. See https://docs.openstack.org/api-ref/load-balancer/v2/#create-pool
Required by terraform-provider-openstack/terraform-provider-openstack#1611