gistfile1.txt

- name: get public_ipv4 (Scaleway)
  command: scw-metadata PUBLIC_IP_ADDRESS
  register: result
  when: (physical_ip is not defined and ansible_os_family == "Debian")
  changed_when: false
  ignore_errors: true
  
  Result : 

TASK [tinc : get public_ipv4 (Scaleway)] ***************************************
fatal: [tinc09]: FAILED! => {"failed": true, "msg": "The conditional check '(physical_ip is not defined and ansible_os_family == \"Debian\")' failed. The error was: error while evaluating conditional ((physical_ip is not defined and ansible_os_family == \"Debian\")): {{ ansible_br_wan.ipv4.address }}: 'ansible_br_wan' is undefined\n\nThe error appears to have been in '/srv/fuse/infra/ansible/roles/tinc/tasks/main.yml': line 80, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: get public_ipv4 (Scaleway)\n  ^ here\n"}
...ignoring
fatal: [tinc10]: FAILED! => {"failed": true, "msg": "The conditional check '(physical_ip is not defined and ansible_os_family == \"Debian\")' failed. The error was: error while evaluating conditional ((physical_ip is not defined and ansible_os_family == \"Debian\")): {{ ansible_br_wan.ipv4.address }}: 'ansible_br_wan' is undefined\n\nThe error appears to have been in '/srv/fuse/infra/ansible/roles/tinc/tasks/main.yml': line 80, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: get public_ipv4 (Scaleway)\n  ^ here\n"}
...ignoring


tinc09 is Freebsd, it shouldn't be in result.
tinc10 is a Debian.