Enable unsafe sysctls on a cluster managed by Amazon EKS

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I'm attempting to follow instructions for resolving a data congestion issue by enabling 2 unsafe sysctls for certain pods running in a Kubernetes cluster where the Pods are deployed by EKS. To do this, I must enable those parameters in the nodes running those pods. The following command is for enabling on a per-node basis:

kubelet --allowed-unsafe-sysctls \
  'net.unix.max_dgram_qlen,net.core.somaxconn'

However, the Nodes in the cluster I am working with are deployed by EKS. The EKS cluster was deployed by using the Amazon dashboard (Not a yaml config file/terraform/etc). I am not sure how to translate the above step to have all nodes in my cluster have those systcl enabled.

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