// The log output is limited to 2048 bytes or 80 lines, whichever is smaller.
  // Defaults to File.
  // Cannot be updated.
  // +optional
  optional string terminationMessagePolicy = 20;

  // Image pull policy.
  // One of Always, Never, IfNotPresent.
  // Defaults to Always if :latest tag is specified, or IfNotPresent otherwise.
  // Cannot be updated.

  - Container filesystem usage tracking disabled for device mapper due to excessive
    IOPS.
  - Ignore `.mount` cgroups, fixing disappearing stats.
* A new field `terminationMessagePolicy` has been added to containers that allows
  a user to request FallbackToLogsOnError, which will read from the container's
  logs to populate the termination message if the user does not write to the

- If container fails because ContainerCannotRun, do not utilize the FallbackToLogsOnError TerminationMessagePolicy, as it masks more useful logs. ([#81280](https://github.com/kubernetes/kubernetes/pull/81280), [@yqwang-ms](https://github.com/yqwang-ms))