I followed the load balancer tutorial: https://cloud.google.com/container-engine/docs/tutorials/http-balancer which is working fine when I use the Nginx image, when I try and u
I was also having exactly the same issue, after updating my ingress readinessProbe.
I can see Ingress status labeled Some backend services are in UNKNOWN state status in yellow. I waited for more than 30 min, yet the changes were not reflected.
After more than 24 hours the changes reflected and status turned green. I didn't get any official documentation for this but seems like a bug in GCP Ingress resource.