Fix
Bug ID · Description
Bug ID · Description
466116259 · Updated the startup script for the managed instance group (MIG) that routes external traffic to Apigee. net.ipv4.ip_forward is now written to /etc/sysctl.d/, so an instance no longer stops forwarding traffic when a reboot or an OS update resets it. The script does not change unrelated iptables NAT rules. Instances pick up the change the next time they are restarted or recreated.
Read the original announcement