No action detected in task. The error appears to have been in roles/test/tasks/interface_up_down.yml: line 3
Task path: roles/test/tasks/sonic.yml:51

The command to run tests:
ansible-playbook -i inventory --limit <switch_name> test_sonic.yml -b --tags link -vvvvv -e "ptf_host=<ptf_host_name>"