[DEPRECATION WARNING]: ANSIBLE_COLLECTIONS_PATHS option, does not fit var 
naming standard, use the singular form ANSIBLE_COLLECTIONS_PATH instead. This 
feature will be removed from ansible-core in version 2.19. Deprecation warnings
 can be disabled by setting deprecation_warnings=False in ansible.cfg.
ansible-playbook [core 2.17.3]
  config file = None
  configured module search path = ['/root/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/local/lib/python3.12/site-packages/ansible
  ansible collection location = /tmp/collections-rl1
  executable location = /usr/local/bin/ansible-playbook
  python version = 3.12.5 (main, Aug  7 2024, 00:00:00) [GCC 14.1.1 20240607 (Red Hat 14.1.1-5)] (/usr/bin/python3.12)
  jinja version = 3.1.4
  libyaml = True
No config file found; using defaults
running playbook inside collection fedora.linux_system_roles
redirecting (type: callback) ansible.builtin.profile_tasks to ansible.posix.profile_tasks
Skipping callback 'default', as we already have a stdout callback.
Skipping callback 'minimal', as we already have a stdout callback.
Skipping callback 'oneline', as we already have a stdout callback.

PLAYBOOK: tests_default.yml ****************************************************
1 plays in /tmp/collections-rl1/ansible_collections/fedora/linux_system_roles/tests/postfix/tests_default.yml

PLAY [Ensure that the rule runs with default parameters] ***********************

TASK [Run the postfix role] ****************************************************
task path: /tmp/collections-rl1/ansible_collections/fedora/linux_system_roles/tests/postfix/tests_default.yml:6
Tuesday 03 September 2024  07:47:36 -0400 (0:00:00.027)       0:00:00.027 ***** 
included: fedora.linux_system_roles.postfix for managed-node1

TASK [fedora.linux_system_roles.postfix : Ensure ansible_facts required by role] ***
task path: /tmp/collections-rl1/ansible_collections/fedora/linux_system_roles/roles/postfix/tasks/main.yml:2
Tuesday 03 September 2024  07:47:36 -0400 (0:00:00.051)       0:00:00.079 ***** 
included: /tmp/collections-rl1/ansible_collections/fedora/linux_system_roles/roles/postfix/tasks/set_facts.yml for managed-node1

TASK [fedora.linux_system_roles.postfix : Ensure ansible_facts used by role are present] ***
task path: /tmp/collections-rl1/ansible_collections/fedora/linux_system_roles/roles/postfix/tasks/set_facts.yml:3
Tuesday 03 September 2024  07:47:36 -0400 (0:00:00.014)       0:00:00.094 ***** 
fatal: [managed-node1]: UNREACHABLE! => {"changed": false, "msg": "Failed to connect to the host via ssh: OpenSSH_9.8p1, OpenSSL 3.2.2 4 Jun 2024\r\ndebug1: Reading configuration data /root/.ssh/config\r\ndebug1: Reading configuration data /etc/ssh/ssh_config\r\ndebug1: Reading configuration data /etc/ssh/ssh_config.d/50-redhat.conf\r\ndebug2: checking match for 'final all' host managed-node1 originally managed-node1\r\ndebug2: match not found\r\ndebug1: Reading configuration data /etc/crypto-policies/back-ends/openssh.config\r\ndebug1: configuration requests final Match pass\r\ndebug1: re-parsing configuration\r\ndebug1: Reading configuration data /root/.ssh/config\r\ndebug1: Reading configuration data /etc/ssh/ssh_config\r\ndebug1: Reading configuration data /etc/ssh/ssh_config.d/50-redhat.conf\r\ndebug2: checking match for 'final all' host managed-node1 originally managed-node1\r\ndebug2: match found\r\ndebug1: Reading configuration data /etc/crypto-policies/back-ends/openssh.config\r\ndebug1: auto-mux: Trying existing master at '/root/.ansible/cp/8d4f8fa56d'\r\ndebug1: Control socket \"/root/.ansible/cp/8d4f8fa56d\" does not exist\r\ndebug2: resolving \"managed-node1\" port 22\r\nssh: Could not resolve hostname managed-node1: Name or service not known", "unreachable": true}

PLAY RECAP *********************************************************************
managed-node1              : ok=2    changed=0    unreachable=1    failed=0    skipped=0    rescued=0    ignored=0   

Tuesday 03 September 2024  07:47:37 -0400 (0:00:00.289)       0:00:00.383 ***** 
=============================================================================== 
fedora.linux_system_roles.postfix : Ensure ansible_facts used by role are present --- 0.29s
/tmp/collections-rl1/ansible_collections/fedora/linux_system_roles/roles/postfix/tasks/set_facts.yml:3 
Run the postfix role ---------------------------------------------------- 0.05s
/tmp/collections-rl1/ansible_collections/fedora/linux_system_roles/tests/postfix/tests_default.yml:6 
fedora.linux_system_roles.postfix : Ensure ansible_facts required by role --- 0.01s
/tmp/collections-rl1/ansible_collections/fedora/linux_system_roles/roles/postfix/tasks/main.yml:2