- Fixed AWS Cloud Provider attempting to delete LoadBalancer security group it didn’t provision, and fixed AWS Cloud Provider creating a default LoadBalancer security group even if annotation `service.beta.kubernetes.io/aws-load-balancer-security-groups` is present because the intended behavior of aws-load-balancer-security-groups is to replace all security groups assigned to the load balancer. ([#84265](https://github.com/kubernetes/kubernetes/pull/84265), [@bhag...

* kubeadm now detects the Docker cgroup driver and starts the kubelet with the matching driver. This eliminates a common error experienced by new users in when the Docker cgroup driver is not the same as the one set for the kubelet due to different Linux distributions setting different cgroup drivers for Docker, making it hard to start the kubelet properly.

 * which contained the following notice:
 *
 * Written by Doug Lea with assistance from members of JCP JSR-166
 * Expert Group and released to the public domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 * Other contributors include Andrew Wright, Jeffrey Hayes,
 * Pat Fisher, Mike Judd.
 */

- Fixed the following 
  -  AWS Cloud Provider attempts to delete LoadBalancer security group it didn’t provision
  -  AWS Cloud Provider creates default LoadBalancer security group even if annotation [service.beta.kubernetes.io/aws-load-balancer-security-groups] is present ([#87208](https://github.com/kubernetes/kubernetes/pull/87208), [@bhagwat070919](https://github.com/bhagwat070919)) [SIG Cloud Provider]

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* <abbr title="XML Web Token">XWT</abbr>
* <abbr title="Parallel Server Gateway Interface">PSGI</abbr>

### The abbr gives an explanation { #the-abbr-gives-an-explanation }

* <abbr title="A group of machines that are configured to be connected and work together in some way.">cluster</abbr>

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            while (matcher.find()) {
                matcher.appendReplacement(buf, Matcher.quoteReplacement(highlightTagPre + matcher.group(0) + highlightTagPost));
            }
            matcher.appendTail(buf);
            return buf.toString();
        }).orElse(value);
    }

    /**

/// tip

Having `dependencies` in the `APIRouter` can be used, for example, to require authentication for a whole group of *path operations*. Even if the dependencies are not added individually to each one of them.

///

/// check

* Fix AWS NLB security group updates where valid security group ports were incorrectly removed ([#68422](https://github.com/kubernetes/kubernetes/pull/68422), [@kellycampbell](https://github.com/kellycampbell))
    * when updating a service or when node changes occur.

        NbtAddress nbtAddress1 = new NbtAddress(mockName, testAddressInt, false, NbtAddress.H_NODE);
        NbtAddress nbtAddress2 = new NbtAddress(mockName2, testAddressInt, true, NbtAddress.B_NODE); // Different name, group, nodeType
        assertEquals(nbtAddress1.hashCode(), nbtAddress2.hashCode());
        assertEquals(testAddressInt, nbtAddress1.hashCode());
    }

    @Test
    void testEquals() {