Migrate cmd/kube-proxy to contextual logging (#122197)

* cmd/kube-proxy support contextual logging

Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com>

* use ktesting.NewTestContext(t) in unit test

Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com>

* use ktesting.NewTestContext(t) in unit test

Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com>

* remove unnecessary blank line & add cmd/kube-proxy to contextual section in logcheck.conf

Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com>

* add more contextual logging

Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com>

* new lint yaml

Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com>

---------

Signed-off-by: Ziqi Zhao <zhaoziqi9146@gmail.com>

hack/golangci-hints.yaml

@@ -116,7 +116,6 @@ linters-settings: # please keep this alphabetized
           -structured .*
           
           # Now enable it again for migrated packages.
-          structured k8s.io/kubernetes/cmd/kube-proxy/.*
           structured k8s.io/kubernetes/cmd/kubelet/.*
           structured k8s.io/kubernetes/pkg/kubelet/.*
           structured k8s.io/kubernetes/pkg/proxy/.*
@@ -131,6 +130,7 @@ linters-settings: # please keep this alphabetized
           contextual k8s.io/client-go/tools/events/.*
           contextual k8s.io/client-go/tools/record/.*
           contextual k8s.io/dynamic-resource-allocation/.*
+          contextual k8s.io/kubernetes/cmd/kube-proxy/.*
           contextual k8s.io/kubernetes/cmd/kube-scheduler/.*
           contextual k8s.io/kubernetes/pkg/controller/.*
           contextual k8s.io/kubernetes/pkg/scheduler/.*