2026-10-30T18:13:06.137380Z info FLAG: --concurrency="0" 2026-10-30T18:13:06.137397Z info FLAG: --domain="openshift-ingress.svc.cluster.local" 2026-10-30T18:13:06.137401Z info FLAG: --help="false" 2026-10-30T18:13:06.137403Z info FLAG: --log_as_json="false" 2026-10-30T18:13:06.137405Z info FLAG: --log_caller="" 2026-10-30T18:13:06.137407Z info FLAG: --log_output_level="default:info" 2026-10-30T18:13:06.137410Z info FLAG: --log_stacktrace_level="default:none" 2026-10-30T18:13:06.137414Z info FLAG: --log_target="[stdout]" 2026-10-30T18:13:06.137416Z info FLAG: --meshConfig="./etc/istio/config/mesh" 2026-10-30T18:13:06.137418Z info FLAG: --outlierLogPath="" 2026-10-30T18:13:06.137420Z info FLAG: --profiling="true" 2026-10-30T18:13:06.137422Z info FLAG: --proxyComponentLogLevel="misc:error" 2026-10-30T18:13:06.137424Z info FLAG: --proxyLogLevel="warning" 2026-10-30T18:13:06.137426Z info FLAG: --serviceCluster="istio-proxy" 2026-10-30T18:13:06.137428Z info FLAG: --stsPort="0" 2026-10-30T18:13:06.137430Z info FLAG: --templateFile="" 2026-10-30T18:13:06.137432Z info FLAG: --tokenManagerPlugin="" 2026-10-30T18:13:06.137440Z info FLAG: --vklog="0" 2026-10-30T18:13:06.137442Z info Version 1.28.10-cebc47d567fd1333707199224c18129ecfe07c05-Clean 2026-10-30T18:13:06.137571Z info Proxy role ips=[10.134.0.203] type=router id=maas-default-gateway-openshift-default-7df854bf67-b7p7t.openshift-ingress domain=openshift-ingress.svc.cluster.local 2026-10-30T18:13:06.137610Z info Apply proxy config from env {"discoveryAddress":"istiod-openshift-gateway.openshift-ingress.svc:15012","proxyHeaders":{"server":{"disabled":true},"envoyDebugHeaders":{"disabled":true},"metadataExchangeHeaders":{"mode":"IN_MESH"}}} 2026-10-30T18:13:06.138643Z info cpu limit detected as 2, setting concurrency 2026-10-30T18:13:06.138865Z info Effective config: binaryPath: /usr/local/bin/envoy concurrency: 2 configPath: ./etc/istio/proxy controlPlaneAuthPolicy: MUTUAL_TLS discoveryAddress: istiod-openshift-gateway.openshift-ingress.svc:15012 drainDuration: 45s proxyAdminPort: 15000 proxyHeaders: envoyDebugHeaders: disabled: true metadataExchangeHeaders: mode: IN_MESH server: disabled: true serviceCluster: istio-proxy statNameLength: 189 statusPort: 15020 terminationDrainDuration: 5s 2026-10-30T18:13:06.138876Z info JWT policy is third-party-jwt 2026-10-30T18:13:06.138879Z info using credential fetcher of JWT type in cluster.local trust domain 2026-10-30T18:13:06.140610Z info Starting default Istio SDS Server 2026-10-30T18:13:06.140635Z info CA Endpoint istiod-openshift-gateway.openshift-ingress.svc:15012, provider Citadel 2026-10-30T18:13:06.140653Z info Using CA istiod-openshift-gateway.openshift-ingress.svc:15012 cert with certs: var/run/secrets/istio/root-cert.pem 2026-10-30T18:13:06.140992Z info Opening status port 15020 2026-10-30T18:13:06.142212Z info xdsproxy Initializing with upstream address "istiod-openshift-gateway.openshift-ingress.svc:15012" and cluster "Kubernetes" 2026-10-30T18:13:06.142634Z info sds Starting SDS grpc server 2026-10-30T18:13:06.142654Z info sds Starting SDS server for workload certificates, will listen on "var/run/secrets/workload-spiffe-uds/socket" 2026-10-30T18:13:06.143650Z info Pilot SAN: [istiod-openshift-gateway.openshift-ingress.svc] 2026-10-30T18:13:06.144581Z info Starting proxy agent 2026-10-30T18:13:06.144613Z info Envoy command: [-c etc/istio/proxy/envoy-rev.json --drain-time-s 45 --drain-strategy immediate --local-address-ip-version v4 --file-flush-interval-msec 1000 --disable-hot-restart --allow-unknown-static-fields -l warning --component-log-level misc:error --skip-deprecated-logs --concurrency 2] 2026-10-30T18:13:06.207753Z info xdsproxy connected to delta upstream XDS server: istiod-openshift-gateway.openshift-ingress.svc:15012 id=1 2026-10-30T18:13:06.229960Z info cache generated new workload certificate resourceName=default latency=87.128698ms ttl=23h59m59.770042766s 2026-10-30T18:13:06.230003Z info cache Root cert has changed, start rotating root cert 2026-10-30T18:13:06.230031Z info cache returned workload trust anchor from cache ttl=23h59m59.76996992s 2026-10-30T18:13:06.326667Z info ads ADS: new connection for node:1 2026-10-30T18:13:06.326727Z info cache returned workload certificate from cache ttl=23h59m59.673274918s 2026-10-30T18:13:06.327081Z info ads ADS: new connection for node:2 2026-10-30T18:13:06.327153Z info cache returned workload trust anchor from cache ttl=23h59m59.672847516s 2026-10-30T18:13:06.406203Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:13:14.227705Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:13:15.171430Z warn Envoy proxy is NOT ready: Get "http://127.0.0.1:15000/stats?usedonly&filter=^(cluster_manager\\.cds|listener_manager\\.lds)\\.(update_success|update_rejected)$": context deadline exceeded (Client.Timeout exceeded while awaiting headers) 2026-10-30T18:13:15.746785Z warn Envoy proxy is NOT ready: Get "http://127.0.0.1:15000/stats?usedonly&filter=^(cluster_manager\\.cds|listener_manager\\.lds)\\.(update_success|update_rejected)$": context deadline exceeded (Client.Timeout exceeded while awaiting headers) 2026-10-30T18:13:16.204286Z info Readiness succeeded in 10.069441327s 2026-10-30T18:13:16.204596Z info Envoy proxy is ready 2026-10-30T18:13:23.996071Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:13:29.252137Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Missing json property: /model thread=26 2026-10-30T18:13:29.252174Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Missing json property: /model thread=26 2026-10-30T18:13:29.252188Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Missing json property: /usage/total_tokens thread=26 2026-10-30T18:13:29.252193Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Missing json property: /model thread=26 [2026-10-30T18:13:29.162Z] "POST /v1/api-keys HTTP/1.1" 201 - via_upstream - "-" 93 335 89 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "7ec4ab0a-db43-4d79-8a3e-77c10cc0b718" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.132.0.44:8443" outbound|8443||maas-api.odh-ai-gateway-infra.svc.cluster.local 10.134.0.203:53104 10.134.0.203:443 10.132.0.21:60906 - odh-ai-gateway-infra.maas-api-route.3 2026-10-30T18:13:41.514945Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:13:44.008413Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:13:47.139614Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:13:56.962975Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 [2026-10-30T18:14:12.709Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 76 295 75 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "01cc7a63-9327-432f-8bd8-0075bfb0c1bf" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.27:8000" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:42384 10.134.0.203:443 10.132.0.21:38832 - v1-completions-path [2026-10-30T18:14:14.155Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 76 291 58 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "24b10514-7960-4ebf-85f2-33b258f41e82" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.27:8000" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:42400 10.134.0.203:443 10.132.0.21:38844 - v1-completions-path 2026-10-30T18:14:30.631947Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:14:41.110370Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:15:05.083079Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 [2026-10-30T18:15:09.488Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 76 292 68 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "297a72f3-bd0e-40b2-a5eb-0bfdeffc9b41" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.27:8000" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:42384 10.134.0.203:443 10.132.0.21:48416 - v1-completions-path 2026-10-30T18:15:10.322557Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Tracing span buffer full (100), dropping oldest spans to prevent memory growth thread=25 [2026-10-30T18:15:09.671Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 76 293 60 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "9c0fa66b-e03e-4d31-923b-73b4b4d9f970" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.27:8000" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:42384 10.134.0.203:443 10.132.0.21:48422 - v1-completions-path [2026-10-30T18:15:09.927Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 76 294 62 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "61aa1437-0e0f-4d6f-815b-7c7f89310a2d" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.27:8000" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:42400 10.134.0.203:443 10.132.0.21:48438 - v1-completions-path [2026-10-30T18:15:10.266Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 76 294 61 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "62c68a25-8601-4811-a48c-656b3fddd7c7" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.27:8000" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:42384 10.134.0.203:443 10.132.0.21:48448 - v1-completions-path [2026-10-30T18:15:10.606Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 76 291 57 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "16bfe1ae-24d1-469e-b2da-9e035973c26a" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.27:8000" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:42384 10.134.0.203:443 10.132.0.21:48452 - v1-completions-path 2026-10-30T18:15:22.687108Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:15:25.025598Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 [2026-10-30T18:15:32.315Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 74 291 79 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "39f81730-01b0-4b4c-91b0-c2cbe7fd2015" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.28:8000" outbound|8000||premium-simulated-simulated-premium-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:46350 10.134.0.203:443 10.132.0.21:55068 - v1-completions-path 2026-10-30T18:15:44.312001Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:15:56.399510Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:16:13.996114Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:16:31.181921Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:16:41.893688Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:16:44.978293Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:17:04.266029Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:17:07.034749Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 [2026-10-30T18:17:13.933Z] "POST /llm/e2e-unconfigured-facebook-opt-125m-simulated/v1/completions HTTP/1.1" 403 - - "-" 76 0 33 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "e0ca8e55-f341-4fd0-b338-008416dddc98" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "-" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local - 10.134.0.203:443 10.132.0.21:56726 - v1-completions-path 2026-10-30T18:17:27.978541Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:17:30.716587Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:19:10.258736Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:19:13.727810Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:20:43.591739Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:20:59.199024Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:21:01.395898Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:21:26.091675Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:23:08.942539Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Tracing span buffer full (100), dropping oldest spans to prevent memory growth thread=26 2026-10-30T18:23:08.947031Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Missing json property: /model thread=26 2026-10-30T18:23:08.947073Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Missing json property: /model thread=26 2026-10-30T18:23:08.947099Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Missing json property: /usage/total_tokens thread=26 2026-10-30T18:23:08.947106Z warning envoy wasm external/envoy/source/extensions/common/wasm/context.cc:1152 wasm log kuadrant-wasm-shim kuadrant_wasm_shim: Missing json property: /model thread=26 [2026-10-30T18:23:08.895Z] "GET /v1/models HTTP/1.1" 200 - via_upstream - "-" 0 568 51 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "e2dc821a-01e2-4015-a1b5-41b236a1e4df" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.132.0.44:8443" outbound|8443||maas-api.odh-ai-gateway-infra.svc.cluster.local 10.134.0.203:49886 10.134.0.203:443 10.132.0.21:38556 - odh-ai-gateway-infra.maas-api-route.3 2026-10-30T18:23:23.898760Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:23:45.206033Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:24:11.585762Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:24:23.455077Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:24:27.685773Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:24:39.360769Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:24:52.834666Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 [2026-10-30T18:25:17.682Z] "POST /v1/completions HTTP/1.1" 200 - via_upstream - "-" 76 291 63 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "86d1c39f-12fc-4a0a-b6c4-ba78fc29bbbb" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.133.0.27:8000" outbound|8000||e2e-unconfiab60ef4d3a239b5143b412cab04acac3-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:42400 10.134.0.203:443 10.132.0.21:33230 - v1-completions-path 2026-10-30T18:25:29.980314Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:25:39.943433Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:25:45.605705Z warning envoy filter external/envoy/source/extensions/filters/http/json_to_metadata/filter.cc:385 key 'completion_tokens' missing from lines 1-1 key: completion_tokens thread=26 [2026-10-30T18:25:45.520Z] "POST /v1/embeddings HTTP/1.1" 200 - via_upstream - "-" 61 4185 85 - "52.71.36.72,10.132.0.21" "python-requests/2.34.2" "9ef61a87-1ee6-428e-ac2b-0bc3f40177e9" "maas.apps.43d793594a117fff08c9.prod.konflux-ocp-ci.dev" "10.132.0.45:8000" outbound|8000||e2e-embedding-simulated-kserve-workload-svc.llm.svc.cluster.local 10.134.0.203:53750 10.134.0.203:443 10.132.0.21:55538 - v1-catch-all-path 2026-10-30T18:25:48.305983Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:26:01.609915Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:26:03.929559Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:26:24.385093Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8 2026-10-30T18:26:35.298038Z warning envoy wasm external/envoy/source/extensions/common/wasm/wasm.cc:317 Wasm remote code fetch is unstable and may cause a crash thread=8