panic: Sentry detected stuck task(s). See stack trace and message above for more details DIAGNOSIS: retrieving stacks: connecting to control server at PID 62144: connection refused Error collecting stacks: failed to run ["/syzkaller/managers/kvm-proxy-overlay-sandbox/current/image" "-root" "/syzkaller/managers/kvm-proxy-overlay-sandbox/workdir/gvisor_root" "-watchdog-action=panic" "-network=none" "-debug" "-platform=kvm" "-file-access=exclusive" "-overlay" "-network=sandbox" "debug" "-stacks" "ci-gvisor-kvm-proxy-overlay-sandbox-0"]: exit status 128 retrieving stacks: connecting to control server at PID 62144: connection refused