Add iproute(2) package checking (#11816)

Signed-off-by: ekko <lihai.tu@daocloud.io>

roles/bootstrap-os/tasks/opensuse.yml

@@ -83,3 +83,15 @@
       - apparmor-parser
     state: present
   become: true
+
+# iproute2 is required for networking related facts gathering
+# See https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_vars_facts.html#package-requirements-for-fact-gathering
+# Note: It is not recommended way, but since the tasks execution order, put it here is the simplest way so far. We can move it to a proper place later.
+# TODO: move this to roles/kubernetes/preinstall/vars/main.yml -> pkgs variables
+# Currently not possible because the collect the network facts before that step, needs reordering of the exec flow.
+- name: Ensure iproute2 is installed
+  community.general.zypper:
+    name: iproute2
+    state: present
+    update_cache: true
+  become: true