diff --git a/defaults/docker_images.yml b/defaults/docker_images.yml
index 342c55f..2457920 100644
--- a/defaults/docker_images.yml
+++ b/defaults/docker_images.yml
@@ -46,6 +46,7 @@
     docker_image_keycloak_proxy: "${_param:mcp_docker_registry}/mirantis/external/jboss/keycloak:3.4.2.Final"
     # CVP
     docker_image_cvp_sanity_checks: ${_param:mcp_docker_registry}/mirantis/cvp/cvp-sanity-checks:${_param:mcp_version}
+    docker_image_cvp_shaker_checks: ${_param:mcp_docker_registry}/mirantis/cvp/cvp-shaker:${_param:mcp_version}
     # aptly
     docker_image_aptly:
       base: "${_param:mcp_docker_registry}/mirantis/cicd/aptly:${_param:mcp_version}"
diff --git a/jenkins/client/approved_scripts.yml b/jenkins/client/approved_scripts.yml
index f15b370..43bc5e2 100644
--- a/jenkins/client/approved_scripts.yml
+++ b/jenkins/client/approved_scripts.yml
@@ -85,6 +85,8 @@
         - method java.util.stream.Stream collect java.util.stream.Collector
         - method jenkins.model.Jenkins getItemByFullName java.lang.String
         - method jenkins.model.Jenkins getPluginManager
+        - method org.apache.commons.net.util.SubnetUtils getInfo
+        - method org.apache.commons.net.util.SubnetUtils$SubnetInfo getNetmask
         - method org.jenkinsci.plugins.workflow.job.WorkflowRun doStop
         - method org.jenkinsci.plugins.workflow.job.WorkflowRun finish hudson.model.Result java.lang.Throwable
         - method org.jenkinsci.plugins.workflow.steps.FlowInterruptedException getCauses
@@ -110,6 +112,7 @@
         - new java.util.Date
         - new java.util.HashMap
         - new java.util.LinkedHashMap java.util.Map
+        - new org.apache.commons.net.util.SubnetUtils java.lang.String
         - staticField groovy.io.FileType FILES
         - staticMethod com.cloudbees.plugins.credentials.CredentialsProvider lookupCredentials java.lang.Class hudson.model.ItemGroup
         - staticMethod hudson.model.Hudson getInstance
diff --git a/jenkins/client/job/validate.yml b/jenkins/client/job/validate.yml
index d24db10..6e91f27 100644
--- a/jenkins/client/job/validate.yml
+++ b/jenkins/client/job/validate.yml
@@ -437,7 +437,7 @@
           param:
             IMAGE:
               type: string
-              default: "${_param:mcp_docker_registry}/mirantis/cvp/cvp-shaker:${_param:mcp_version}"
+              default: "${_param:docker_image_cvp_shaker_checks}"
               description: Docker image to use for running Shaker.
             SALT_MASTER_URL:
               type: string
diff --git a/openssh/server/team/members/mvollman.yml b/openssh/server/team/members/mvollman.yml
new file mode 100644
index 0000000..a024a59
--- /dev/null
+++ b/openssh/server/team/members/mvollman.yml
@@ -0,0 +1,19 @@
+parameters:
+  linux:
+    system:
+      user:
+        mvollman:
+          enabled: true
+          name: mvollman
+          sudo: ${_param:linux_system_user_sudo}
+          full_name: Michael Vollman
+          home: /home/mvollman
+          email: mvollman@mirantis.com
+  openssh:
+    server:
+      user:
+        mvollman:
+          enabled: true
+          public_keys:
+            - key: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDHxIRMQtpFHzKPCMe+pXJC3JrW3RiHyqU8XEDFXrhYsKG3TyDzMUktailF03QaVFfUTifQH5fMavnfJENV7syngoo8VL7Qm3wdvKbcCRczNKxiDIhQb1uCnQcKA2VA7ywDyyvtuQHxptx3G2D7B781/zugBNrkjhiyyUuSFzDHkqjWwRYm7wCEzMgzHeKbyXz3qCblp6CsSvOFreG/7tRGJFvjmY7+FENXN8uMeK4NPVeXIUNGI068EzpZPvEeMCzpYNRF9CPdkz5rF9/EsyljSSx5Ymb2RfDZshjaEE9LOF7k1VXM0DzXYBsz7XVP7B5/JxumQRYpyqPMZoDoojN1 mvollman@1308-MBP13
+          user: ${linux:system:user:mvollman}
diff --git a/openssh/server/team/storage.yml b/openssh/server/team/storage.yml
index 075b9d1..f22cbf9 100644
--- a/openssh/server/team/storage.yml
+++ b/openssh/server/team/storage.yml
@@ -1,3 +1,4 @@
 classes:
 - system.openssh.server.team.members.akiseleva
 - system.openssh.server.team.members.mlos
+- system.openssh.server.team.members.mvollman