v1.6.0 Release Candidate 4

Fourth release candidate of CNI v1.6.0. Changes include adding a minimum target for ENI IPs when using WARM_IP_TARGET and fixing the AWS_VPC_ENI_MTU environment variable. It also has a fix for the issue with disappearing ip rules that exists in in v1.5.4 and the image was rebuilt on the latest AL2 image.

Note! This release is not yet meant for production use, it is still being tested.
Note! The release candidate images are only available in us-west-2

Changes since v1.6.0-rc3

• 05878e6 - Add support for m5n/m5dn/r5n/r5dn instances (@Jeffwan)
• 1aadc78 - Avoid trying tearing down NS, fixing ip rule issue (@mogren)
• 02ecdf5 - Introduce a minimum target for ENI IPs (#612) (@asheldon)
• cdcae63 - Bump aws-sdk-go to v1.23.13 (@mogren)
• f3da448 - Add MTU to the plugin config (@mogren)

If you want to test this release candidate in your own cluster, patch the aws-node daemonset:

kubectl patch daemonset aws-node \
-n kube-system \
-p '{"spec": {"template": {"spec": {"containers": [{"image": "602401143452.dkr.ecr.us-west-2.amazonaws.com/amazon-k8s-cni:v1.6.0-rc4","name":"aws-node"}]}}}}'

Verify the update:

kubectl describe daemonset aws-node -n kube-system | grep Image | cut -d "/" -f 2

amazon-k8s-cni:v1.6.0-rc4