curl --request PATCH \
  --url https://api.gcore.com/cloud/v1/lblisteners/{project_id}/{region_id}/{listener_id} \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "some_name"
}'

{
  "allowed_cidrs": [
    "10.0.0.0/8"
  ],
  "connection_limit": 499999,
  "creator_task_id": "de105b9c-c095-4f1c-9b76-aaa9bc60e32a",
  "id": "43658ea9-54bd-4807-90b1-925921c9a0d1",
  "insert_headers": {},
  "loadbalancer_id": "67149a91-739b-42bf-bbd1-cb64f723dad7",
  "name": "lbaas_test_listener",
  "operating_status": "DEGRADED",
  "pool_count": 1,
  "protocol": "TCP",
  "protocol_port": 80,
  "provisioning_status": "ACTIVE",
  "secret_id": "e36200c7-114b-44e6-ba1a-043b2bd53879",
  "sni_secret_id": [
    "e36200c7-114b-44e6-ba1a-043b2bd53879",
    "c5d156ce-0925-4aef-b458-cce46bd346f0"
  ],
  "stats": {
    "active_connections": 0,
    "bytes_in": 34942398609,
    "bytes_out": 304777113641,
    "request_errors": 4,
    "total_connections": 21095970
  },
  "task_id": "<string>",
  "timeout_client_data": 50000,
  "timeout_member_connect": 5000,
  "timeout_member_data": 50000,
  "user_list": [
    {
      "encrypted_password": "$5$isRr.HJ1IrQP38.m$oViu3DJOpUG2ZsjCBtbITV3mqpxxbZfyWJojLPNSPO5",
      "username": "admin"
    }
  ]
}