Warning: This build has drifted.
The coverage report for this pull request build may be inaccurate because its base commit is no longer the HEAD of its target branch.
This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

    • Learn more: For more information on this, see Tracking coverage changes for pull request builds.
    • Fix now: For a quick fix, rebase this PR at GitHub. Your next report should be accurate.
    • Prevent going forward: To avoid this issue with future PRs, see these Recommended CI Configurations.

avoid calling oc.deleteStaleNodeChassis for every node update event

In large scale zone around 800 nodes,  this check consume more than
60% of the cpu time. we only need check when old and new node object
has chassis id annotation change.

Signed-off-by: Zhen Wang <zhewang@nvidia.com>