- [SIG Auth](#sig-auth)
    - [SIG Autoscaling](#sig-autoscaling)
    - [SIG Cluster Lifecycle](#sig-cluster-lifecycle)
    - [SIG Instrumentation](#sig-instrumentation)
    - [SIG Multi-cluster (formerly known as SIG Federation)](#sig-multi-cluster-formerly-known-as-sig-federation)
    - [SIG Node](#sig-node)
    - [SIG Network](#sig-network)
    - [SIG Scalability](#sig-scalability)
    - [SIG Scheduling](#sig-scheduling)

</p>

<pre>
a[i] &lt;&lt;= 2
i &amp;^= 1&lt;&lt;n
</pre>

<p>
A tuple assignment assigns the individual elements of a multi-valued
operation to a list of variables.  There are two forms.  In the
first, the right hand operand is a single multi-valued expression
such as a function call, a <a href="#Channel_types">channel</a> or

### SIG Network

For 1.13, the areas of focus were in IPv6, DNS improvements and some smaller items:

- Openstack: Do not delete managed LB in case of security group reconciliation errors ([#82264](https://github.com/kubernetes/kubernetes/pull/82264), [@multi-io](https://github.com/multi-io))
- Fix aggressive VM calls for Azure VMSS ([#83102](https://github.com/kubernetes/kubernetes/pull/83102), [@feiskyer](https://github.com/feiskyer))

	// Specifies the CNI provider. Can be either "default" or "multus". When set to "multus", an additional
	// NetworkAttachmentDefinition resource is deployed to the cluster to allow the istio-cni plugin to be
	// invoked in a cluster using the Multus CNI plugin.
	Provider string `protobuf:"bytes,22,opt,name=provider,proto3" json:"provider,omitempty"`

* Properly manage security groups for loadbalancer services on OpenStack. ([#65373](https://github.com/kubernetes/kubernetes/pull/65373), [@multi-io](https://github.com/multi-io))
* Add user-agent to audit-logging. ([#64812](https://github.com/kubernetes/kubernetes/pull/64812), [@hzxuzhonghu](https://github.com/hzxuzhonghu))

- Openstack: Do not delete managed LB in case of security group reconciliation errors ([#82264](https://github.com/kubernetes/kubernetes/pull/82264), [@multi-io](https://github.com/multi-io)) [SIG Cloud Provider]

  
  VM Hardware version less than 15 is deprecated as of v1.21. Please consider upgrading the Node VM Hardware version to 15 or above. vSphere CSI Driver recommends Node VM's Hardware version set to at least vmx-15.
  

	MSR
	MSR_ZZ
	MUL_EQ
	MUL_NE
	MUL_CS
	MUL_CC
	MUL_MI
	MUL_PL
	MUL_VS
	MUL_VC
	MUL_HI
	MUL_LS
	MUL_GE
	MUL_LT
	MUL_GT
	MUL_LE
	MUL
	MUL_ZZ
	MUL_S_EQ
	MUL_S_NE
	MUL_S_CS
	MUL_S_CC
	MUL_S_MI
	MUL_S_PL
	MUL_S_VS
	MUL_S_VC
	MUL_S_HI
	MUL_S_LS
	MUL_S_GE
	MUL_S_LT
	MUL_S_GT
	MUL_S_LE
	MUL_S
	MUL_S_ZZ
	MVN_EQ
	MVN_NE

* Properly manage security groups for loadbalancer services on OpenStack. ([#65373](https://github.com/kubernetes/kubernetes/pull/65373), [@multi-io](https://github.com/multi-io))
* Reload systemd config files before starting kubelet. ([#65702](https://github.com/kubernetes/kubernetes/pull/65702), [@mborsz](https://github.com/mborsz))