Revision range first seen:
c8b7ee41e0e7a263b67c33fc0f933ef2eafe9684

Link to failing step log:
https://build.chromium.org/p/chromium.perf/builders/Linux%20Perf%20%282%29/builds/15290/steps/rasterize_and_record_micro.key_silk_cases/logs/stdio

Looks like socket issues:

[24583:24612:1017/050557:ERROR:ssl_client_socket_impl.cc(1105)] handshake failed; returned -1, SSL error code 1, net_error -100
[24583:24612:1017/050557:ERROR:ssl_client_socket_impl.cc(1105)] handshake failed; returned -1, SSL error code 1, net_error -100
[24628:24628:1017/050557:ERROR:sandbox_linux.cc(343)] InitializeSandbox() called with multiple threads in process gpu-process. 
[24583:24612:1017/050557:ERROR:browser_gpu_channel_host_factory.cc(125)] Failed to create channel.
[24583:24612:1017/050607:ERROR:ssl_client_socket_impl.cc(1105)] handshake failed; returned -1, SSL error code 1, net_error -100
[24583:24612:1017/050607:ERROR:ssl_client_socket_impl.cc(1105)] handshake failed; returned -1, SSL error code 1, net_error -100
[24583:24612:1017/050607:ERROR:ssl_client_socket_impl.cc(1105)] handshake failed; returned -1, SSL error code 1, net_error -100
[24583:24612:1017/050607:ERROR:ssl_client_socket_impl.cc(1105)] handshake failed; returned -1, SSL error code 1, net_error -100

INFO:root:*********** END OF BROWSER STANDARD OUTPUT ************
INFO:root:********************* BROWSER LOG *********************
INFO:root:No log file
INFO:root:***************** END OF BROWSER LOG ******************
WARNING:root:Either tab has crashed or browser does not support taking tab screenshot. Skip taking screenshot on failure.
Traceback (most recent call last):
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/story_runner.py", line 86, in _RunStoryAndProcessErrorIfNeeded
    state.RunStory(results)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 52, in traced_function
    return func(*args, **kwargs)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/page/shared_page_state.py", line 312, in RunStory
    self._current_page, self._current_tab, results)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 52, in traced_function
    return func(*args, **kwargs)
  File "/b/c/b/Linux_Perf__2_/src/tools/perf/measurements/rasterize_and_record_micro.py", line 53, in ValidateAndMeasurePage
    benchmark_id = tab.EvaluateJavaScript('window.benchmark_results.id')
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/browser/web_contents.py", line 187, in EvaluateJavaScript
    expr, context_id=None, timeout=timeout)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/browser/web_contents.py", line 215, in EvaluateJavaScriptInContext
    expr, context_id=context_id, timeout=timeout)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 52, in traced_function
    return func(*args, **kwargs)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 37, in inner
    inspector_backend._ConvertExceptionFromInspectorWebsocket(e)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 52, in traced_function
    return func(*args, **kwargs)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 34, in inner
    return func(inspector_backend, *args, **kwargs)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 208, in EvaluateJavaScript
    return self._runtime.Evaluate(expr, context_id, timeout)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_runtime.py", line 45, in Evaluate
    res = self._inspector_websocket.SyncRequest(request, timeout)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 110, in SyncRequest
    res = self._Receive(timeout)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 149, in _Receive
    data = self._socket.recv()
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/third_party/websocket-client/websocket.py", line 596, in recv
    opcode, data = self.recv_data()
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/third_party/websocket-client/websocket.py", line 606, in recv_data
    frame = self.recv_frame()
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/third_party/websocket-client/websocket.py", line 637, in recv_frame
    self._frame_header = self._recv_strict(2)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/third_party/websocket-client/websocket.py", line 746, in _recv_strict
    bytes = self._recv(shortage)
  File "/b/c/b/Linux_Perf__2_/src/third_party/catapult/telemetry/third_party/websocket-client/websocket.py", line 732, in _recv
    raise WebSocketTimeoutException(e.message)
TimeoutException: