reset: unmount calico cgroup2 fs before deleting /run/calico (#13592)

Signed-off-by: bo.jiang <bo.jiang@daocloud.io>

roles/network_plugin/calico/tasks/reset.yml

@@ -28,3 +28,18 @@
   args:
     executable: /bin/bash
   changed_when: false
+
+# The calico-node -init container mounts the root cgroup2 fs here, so it must be unmounted before removal
+- name: Reset | unmount calico cgroup2 filesystem
+  ansible.posix.mount:
+    path: /run/calico/cgroup
+    state: unmounted
+  tags:
+    - files
+
+- name: Reset | delete calico runtime directory
+  file:
+    path: /run/calico
+    state: absent
+  tags:
+    - files