1.6s  Relay client: Checking existing installation...
  1.6s  Relay client: Waiting for installation lock...
  1.7s  Relay client: Downloading...
  2.8s  Relay client: Verifying download...
  2.8s  Relay client: Installing...
  3.0s  Relay client: Validating executable...
  3.0s  [fault injection] Holding fresh executable launch for 25 seconds; bytes unchanged.
 13.1s  ERROR (#2): RelayClientInstallError: The downloaded relay client binary did not run.