```
Using ipvs Proxier.
```

While there is no IPVS proxy rules or the following logs occurs indicate that the kube-proxy fails to use IPVS mode:
```
Can't use ipvs proxier, trying iptables proxier
Using iptables Proxier.
```
See the following section for more details on debugging.

## Debug

### Check IPVS proxy rules

			br.Buffered(), proxyAddress)
	}
	return proxyConn, nil
}

type proxier interface {
	// proxy returns a connection to addr.
	proxy(ctx context.Context, addr string) (net.Conn, error)
}

var _ proxier = &httpConnectProxier{}

type httpConnectProxier struct {
	conn         net.Conn
	proxyAddress string
}

			expectedTLSConfig: &tls.Config{InsecureSkipVerify: true},
			errMsg:            "SpdyRoundTripper: UpgradeTransport is mutually exclusive to TLSConfig or Proxier",
		},
		"Proxier with UpgradeTransport: error": {
			proxier:           func(req *http.Request) (*url.URL, error) { return nil, nil },
			upgradeTransport:  &http.Transport{TLSClientConfig: &tls.Config{InsecureSkipVerify: true}},

	fs.BoolVar(&c.UseRealProxier, "use-real-proxier", true, "Has no effect.")
	_ = fs.MarkDeprecated("use-real-proxier", "This flag is deprecated and will be removed in a future release.")
	fs.DurationVar(&c.ProxierSyncPeriod, "proxier-sync-period", 30*time.Second, "Has no effect.")
	_ = fs.MarkDeprecated("proxier-sync-period", "This flag is deprecated and will be removed in a future release.")

// platformSetup is called after setting up the ProxyServer, but before creating the
// Proxier. It should fill in any platform-specific fields and perform other
// platform-specific setup.
func (s *ProxyServer) platformSetup(ctx context.Context) error {
	return unsupportedError
}

// platformCheckSupported is called immediately before creating the Proxier, to check
// what IP families are supported (and whether the configuration is usable at all).

  labels:
    addonmanager.kubernetes.io/mode: Reconcile
subjects:
  - kind: ServiceAccount
    name: kube-proxy
    namespace: kube-system
roleRef:
  kind: ClusterRole
  name: system:node-proxier

    creationTimestamp: null
    labels:
      kubernetes.io/bootstrapping: rbac-defaults
    name: system:node-proxier
  roleRef:
    apiGroup: rbac.authorization.k8s.io
    kind: ClusterRole
    name: system:node-proxier
  subjects:
  - apiGroup: rbac.authorization.k8s.io
    kind: User
    name: system:kube-proxy
- apiVersion: rbac.authorization.k8s.io/v1

limitations under the License.
*/

package proxy

import (
	"fmt"

	v1 "k8s.io/api/core/v1"
	"k8s.io/apimachinery/pkg/types"
	"k8s.io/kubernetes/pkg/proxy/config"
)

// Provider is the interface provided by proxier implementations.
type Provider interface {
	config.EndpointSliceHandler
	config.ServiceHandler
	config.NodeHandler
	config.ServiceCIDRHandler

	// Should return 200 "OK" after processing update for both IPv4 and IPv6 proxiers.
	hs.Updated(v1.IPv4Protocol)
	hs.Updated(v1.IPv6Protocol)
	fakeClock.Step(5 * time.Second)
	testHTTPHandler(hsTest, http.StatusOK, t)

	// If IPv6 proxier is late for an update but IPv4 proxier is not then updating IPv4 proxier should have no effect.
	hs.QueuedUpdate(v1.IPv6Protocol)
	fakeClock.Step(25 * time.Second)

	ZoneHints() sets.Set[string]
}

// BaseEndpointInfo contains base information that defines an endpoint.
// This could be used directly by proxier while processing endpoints,
// or can be used for constructing a more specific EndpointInfo struct
// defined by the proxier if needed.
type BaseEndpointInfo struct {
	// Cache this values to improve performance
	ip   string
	port int