Due to upgrade issues with the Envoy gateway and the offline installation environments, upgrading to MKE 4k 4.1.3 is not recommended. These issues will be fixed in a future release. For version 4.1.3, Mirantis only supports fresh installations.
Network policies#
To circumvent system instability or even unavailability, While enabling network policies on your cluster, make sure to always exempt the following namespaces required by MKE 4k system components:
k0rdentk0s-systemkube-systemmkeprojectsveltosmgmtdefault