Uploaded from github, added FreeBSD VMs support

vm_example_scripts/k8s/install_packages/02-allow-bridge-nf-traffic.sh

@@ -0,0 +1,22 @@
+#!/bin/bash
+# disable swap
+sudo swapoff -a
+
+# keeps the swaf off during reboot
+(crontab -l 2>/dev/null; echo "@reboot /sbin/swapoff -a") | crontab - || true
+sudo apt-get update -y
+
+cat <<EOF | sudo tee /etc/modules-load.d/k8s.conf
+overlay
+br_netfilter
+EOF
+
+sudo modprobe overlay
+sudo modprobe br_netfilter
+
+cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
+net.bridge.bridge-nf-call-ip6tables = 1
+net.bridge.bridge-nf-call-iptables = 1
+net.ipv4.ip_forward = 1
+EOF
+sudo sysctl --system