Sysctl reload if needed after IP forward enabling

Add reload yes to reload sysctl if the value of net.ipv4.ip_forward changes.

- name: Enable ip forwarding
  sysctl:
    sysctl_file: "{{sysctl_file_path}}"
    name: net.ipv4.ip_forward
    value: 1
    state: present
    reload: yes
  tags:
    - bootstrap-os

roles/kubernetes/preinstall/tasks/main.yml

@@ -236,6 +236,7 @@
     name: net.ipv4.ip_forward
     value: 1
     state: present
+    reload: yes
   tags:
     - bootstrap-os