I try doing use case with vitrage notification execute mistral but got a problem: In my use case, i try evacuate host with 2 instance "vm_1" and "vm_2" on it, when host have alarm -then evacuate instance: ``` condition: nova_compute_down_on_host and host_contain_instance actions: - action: action_type: execute_mistral properties: workflow: evacuate_vm input: vm_name: get_attr(instance, name) ``` I expect m istral workflow will then be: execute workflow 2 times with input: ```vm_name: vm_1``` and ```vm_name: vm_2``` But i alway get : mistral execute that workflow 2 times with input: ```vm_name: vm_1``` and ```vm_name: vm_1``` When i turn on debug log, to see the line "Function get_attr called with template_id..." follow " https://github.com/openstack/vitrage/blob/stable/queens/vitrage/evaluator/te... " I saw that line appear only one time! I don't know it is bug or not, can u help me? (my vitrage in queens version) Best regards.