Intermittent timeout of lots of websocket tests

[jdm]

I only started seeing this today; not sure if it's a permanent mac builder problem or a new intermittent failure caused by #10382.

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/close/close-nested.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/close/close-replace.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/close/close-replace.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/close/close-return.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/close/close-return.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/001.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/001.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/002.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/002.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/003.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/003.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/004.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/004.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/005.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/005.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/006.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/constants/006.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/001.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/001.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/002.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/002.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/003.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/003.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/004.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/004.html?wss

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/006.html

  ▶ TIMEOUT [expected OK] /websockets/interfaces/WebSocket/events/006.html?wss

[metajack]

@larsbergstrom reported some dns issue that happens, and previously this has meant a repave of the slave. Is it always the same slave?

[cbrewster]

related to #11666 (comment)?

[nox]

No more occurrence, that was probably a one time thing.