envoy: Stop using deprecated filter names

Stop using deprecated Envlyo filter names in order to get rid of
deprecation warning logs.

Signed-off-by: Jarno Rajahalme <jarno@covalent.io>

pkg/envoy/server.go

@@ -203,7 +203,7 @@ func (s *XDSServer) getHttpFilterChainProto(clusterName string) *envoy_api_v2_li
 				}),
 			},
 		}, {
-			Name: "envoy.router",
+			Name: "envoy.filters.http.router",
 		}},
 		StreamIdleTimeout: &duration.Duration{}, // 0 == disabled
 		RouteSpecifier: &envoy_config_http.HttpConnectionManager_RouteConfig{
@@ -263,7 +263,7 @@ func (s *XDSServer) getHttpFilterChainProto(clusterName string) *envoy_api_v2_li
 		Filters: []*envoy_api_v2_listener.Filter{{
 			Name: "cilium.network",
 		}, {
-			Name: "envoy.http_connection_manager",
+			Name: "envoy.filters.network.http_connection_manager",
 			ConfigType: &envoy_api_v2_listener.Filter_TypedConfig{
 				TypedConfig: toAny(hcmConfig),
 			},
@@ -287,7 +287,7 @@ func (s *XDSServer) getTcpFilterChainProto(clusterName string) *envoy_api_v2_lis
 				}),
 			},
 		}, {
-			Name: "envoy.tcp_proxy",
+			Name: "envoy.filters.network.tcp_proxy",
 			ConfigType: &envoy_api_v2_listener.Filter_TypedConfig{
 				TypedConfig: toAny(&envoy_config_tcp.TcpProxy{
 					StatPrefix: "tcp_proxy",