Require k8s 1.13 or later.
I believe 1.13 is the first version where IPVS mode *maybe* works
properly, and it's quite old now, so it makes sense to not support
older ones.
@@ -40,7 +40,7 @@ as possible.
MetalLB requires the following to function:
- A [Kubernetes](https://kubernetes.io) cluster, running Kubernetes
- 1.9.0 or later, that does not already have network load-balancing
+ 1.13.0 or later, that does not already have network load-balancing
functionality.
- A
[cluster network configuration]({{% relref "installation/network-addons.md" %}}) that
