diff --git a/cmd/kube-proxy/app/server_others.go b/cmd/kube-proxy/app/server_others.go
index 283dc2bef43..399c4261c2e 100644
--- a/cmd/kube-proxy/app/server_others.go
+++ b/cmd/kube-proxy/app/server_others.go
@@ -203,9 +203,9 @@ func newProxyServer(
 		}
 	}
 	if dualStack {
-		klog.V(0).Infof("kube-proxy running in dual-stack mode, %s-primary", iptInterface.Protocol())
+		klog.V(0).InfoS("kube-proxy running in dual-stack mode", "ipFamily", iptInterface.Protocol())
 	} else {
-		klog.V(0).Infof("kube-proxy running in single-stack %s mode", iptInterface.Protocol())
+		klog.V(0).InfoS("kube-proxy running in single-stack mode", "ipFamily", iptInterface.Protocol())
 	}
 
 	if proxyMode == proxyModeIPTables {
diff --git a/pkg/proxy/metaproxier/meta_proxier.go b/pkg/proxy/metaproxier/meta_proxier.go
index 261b9214f84..f8053deb583 100644
--- a/pkg/proxy/metaproxier/meta_proxier.go
+++ b/pkg/proxy/metaproxier/meta_proxier.go
@@ -94,7 +94,7 @@ func (proxier *metaProxier) OnEndpointSliceAdd(endpointSlice *discovery.Endpoint
 	case discovery.AddressTypeIPv6:
 		proxier.ipv6Proxier.OnEndpointSliceAdd(endpointSlice)
 	default:
-		klog.V(4).Infof("EndpointSlice address type not supported by kube-proxy: %s", endpointSlice.AddressType)
+		klog.ErrorS(nil, "EndpointSlice address type not supported", "addressType", endpointSlice.AddressType)
 	}
 }
 
@@ -107,7 +107,7 @@ func (proxier *metaProxier) OnEndpointSliceUpdate(oldEndpointSlice, newEndpointS
 	case discovery.AddressTypeIPv6:
 		proxier.ipv6Proxier.OnEndpointSliceUpdate(oldEndpointSlice, newEndpointSlice)
 	default:
-		klog.V(4).Infof("EndpointSlice address type not supported by kube-proxy: %s", newEndpointSlice.AddressType)
+		klog.ErrorS(nil, "EndpointSlice address type not supported", "addressType", newEndpointSlice.AddressType)
 	}
 }
 
@@ -120,7 +120,7 @@ func (proxier *metaProxier) OnEndpointSliceDelete(endpointSlice *discovery.Endpo
 	case discovery.AddressTypeIPv6:
 		proxier.ipv6Proxier.OnEndpointSliceDelete(endpointSlice)
 	default:
-		klog.V(4).Infof("EndpointSlice address type not supported by kube-proxy: %s", endpointSlice.AddressType)
+		klog.ErrorS(nil, "EndpointSlice address type not supported", "addressType", endpointSlice.AddressType)
 	}
 }