Add tasks to set Python interpreter and install netaddr in controller environment

tasks/preflight-checks.yml

@@ -1,6 +1,21 @@
 ---
 # preflight-checks.yml - Validate environment before running main tasks
 
+- name: "Get Ansible python interpreter"
+  ansible.builtin.set_fact:
+    controller_python: "{{ ansible_playbook_python }}"
+  delegate_to: localhost
+
+- name: "Install netaddr in controller Python environment"
+  ansible.builtin.pip:
+    name: netaddr
+    state: present
+    executable: "{{ controller_python | dirname }}/pip"
+  delegate_to: localhost
+  run_once: true
+
+
+
 - name: "[PREFLIGHT] Check if running on Proxmox host"
   ansible.builtin.stat:
     path: "/etc/pve/nodes"