suppress memory cgroup warning

[nagworld9]

Description

Issue #

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PR information

• The title of the PR is clear and informative.
• There are a small number of commits, each of which has an informative message. This means that previously merged commits do not appear in the history of the PR. For information on cleaning up the commits in your pull request, see this page.
• If applicable, the PR references the bug/issue that it fixes in the description.
• New Unit tests were added for the changes made

Quality of Code and Contribution Guidelines

• I have read the contribution guidelines.

[codecov]

Codecov Report

Merging #2464 (495a9b6) into develop (99f7ec8) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #2464   +/-   ##
========================================
  Coverage    71.94%   71.94%           
========================================
  Files          101      101           
  Lines        15016    15016           
  Branches      2384     2384           
========================================
  Hits         10803    10803           
  Misses        3729     3729           
  Partials       484      484           

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[larohra]

we run Cent7.9 in DCR v2, can you also add that to this list please -

• publisher: "OpenLogic"
  offer: "CentOS"
  sku: "7_9"
  version: "latest"
  name: "cent79"