Comment 3 for bug 1816468

Tcpdump :

....Q.\%......".<.(.. openstack.cinder-scheduler........+.<.............application/json.utf-8..............{"oslo.version": "2.0", "oslo.message": "{\"_context_user\": null, \"_context_project_domain\": null, \"version\": \"3.5\", \"_context_show_deleted\": false, \"_context_project_name\": null, \"_context_domain_id\": null, \"args\": {\"service_name\": \"volume\", \"backend\": \"openstack-compute2@rbd\", \"timestamp\": \"2019-02-18T21:30:13.119600\", \"capabilities\": {\"allocated_capacity_gb\": 60, \"backend_state\": \"up\", \"thin_provisioning_support\": true, \"location_info\": \"ceph:/etc/ceph/ceph.conf:b'868c2b5d-12f1-4f3f-aa2a-5701a3bb1041':volumes1:volumes\", \"provisioned_capacity_gb\": 10, \"reserved_percentage\": 0, \"volume_backend_name\": \"RBD\", \"driver_version\": \"1.2.0\", \"replication_enabled\": false, \"storage_protocol\": \"ceph\", \"free_capacity_gb\": 51.0, \"max_over_subscription_ratio\": \"20.0\", \"multiattach\": false, \"vendor_name\": \"Open Source\", \"total_capacity_gb\": 55.54, \"filter_function\": null, \"goodness_function\": null}}, \"_context_read_deleted\": \"no\", \"_context_read_only\": false, \"_context_user_domain\": null, \"_context_roles\": [\"admin\"], \"_context_auth_token\": null, \"_context_global_request_id\": null, \"_context_is_admin_project\": true, \"_unique_id\": \"54caaebfbd98442bab2a04d59a189698\", \"_context_system_scope\": null, \"_context_project\": null, \"_context_service_catalog\": [], \"_context_timestamp\": \"2019-02-18T21:30:12.863207\", \"_context_request_id\": \"req-477b6603-75bb-4702-b1cc-1d1b4dbd0838\", \"_context_user_identity\": \"- - - - -\", \"_context_remote_address\": null, \"_context_domain\": null, \"_context_quota_class\": null, \"_context_project_id\": null, \"_context_resource_uuid\": null, \"_context_user_id\": null, \"method\": \"notify_service_capabilities\", \"_context_is_admin\": true, \"_context_tenant\": null}"}.

>>>>

\"location_info\": \"ceph:/etc/ceph/ceph.conf:b'868c2b5d-12f1-4f3f-aa2a-5701a3bb1041':volumes1:volumes\"