k3s-io/k3s v1.21.6+k3s1

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This release updates Kubernetes to v1.21.6, and fixes a number of issues.

For more details on what's new, see the Kubernetes release notes.

Changes since v1.21.5+k3s2:

• Updated Kubernetes to v1.21.6 (#4350)
• New aliases for k3s etcd-snapshot s3 commands to match the flags used with k3s server (#4171) (#4282)
• Set skip SSL verification for etcd snapshots when skip ssl verify flag is passed (#4104)
• Display cluster tls error only in debug mode (#4201)
• Made sure there are no duplicates in etcd member list (#4213)
• Added timeout option to etcd snapshot command (#4228)
• Ensured that node address labels are set before initializing the node with the integrated cloud provider (#4251)
• K3s now waits until etcd is actually able to start before joining a new members to the embedded etcd clusters (#4246)
• Fixed an issue that caused k3s to not be restarted by systemd when started with the --log flag (#4236)
• Updated flannel to v0.15.1 (#4267)
• Updated helm-controller and klipper-helm to time out the helm_v2 ls --all that is done to check for deprecated helm chart versions (#4292)
• Updated peer address when running cluster-reset (#4302)
• When using the integrated cloud provider, ensure that the scheduler doesn't start before at least one node in the cluster has been initialized (#4363)

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