improve sysctl-setup for Ubuntu

tasks/sysctl-setup.yml

@@ -1,4 +1,11 @@
 ---
+- block:
+  
+  - name: Enable br_netfilter module
+    modprobe:
+      name: br_netfilter
+      state: present
+  
   - name: Ensure procps is installed.
     package:
       name: "{{ procps_package }}"
@@ -14,8 +21,13 @@
       value: '1'
       state: present
     loop:
+      - net.ipv4.ip_forward
       - net.bridge.bridge-nf-call-iptables
       - net.bridge.bridge-nf-call-ip6tables
     when: >
       ansible_distribution != 'Debian'
       or ansible_distribution_major_version | int < 10
+      
+  become: yes
+  become_user: root
+  become_method: sudo