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 are fixed in the 4.1.4 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