Update patch set 4

Patch Set 4:

TF CI Build Failed (check) in 1h 57m 41s

- build-rhel http://nexus.jenkins.progmaticlab.com:8082/jenkins_logs/gerrit/76/60176/4/check_11132/build-rhel : SUCCESS in 1h 28m 37s
- test-unit http://nexus.jenkins.progmaticlab.com:8082/jenkins_logs/gerrit/76/60176/4/check_11132/test-unit : FAILURE in 2h 34m 21s
- prepare-sources http://nexus.jenkins.progmaticlab.com:8082/jenkins_logs/gerrit/76/60176/4/check_11132/prepare-sources : SUCCESS in 0h 16m 28s
- ansible-k8s http://nexus.jenkins.progmaticlab.com:8082/jenkins_logs/gerrit/76/60176/4/check_11132/ansible-k8s : SUCCESS in 0h 31m 14s
- build-centos http://nexus.jenkins.progmaticlab.com:8082/jenkins_logs/gerrit/76/60176/4/check_11132/build-centos : SUCCESS in 0h 53m 54s
- ansible-os http://nexus.jenkins.progmaticlab.com:8082/jenkins_logs/gerrit/76/60176/4/check_11132/ansible-os : SUCCESS in 0h 48m 56s

Patch-set: 4