Automatic merge from submit-queue (batch tested with PRs 41844, 41803, 39116, 41129, 41240)

NPD: Update NPD test.

For https://github.com/kubernetes/node-problem-detector/issues/58.

Update NPD e2e test based on the new behavior.

Note that before merging this PR, we need to merge all pending PRs in npd, and release the v0.3.0-alpha.1 version of NPD.

/cc @dchen1107 @kubernetes/node-problem-detector-reviewers