Installation of dependent plugins

chef-client.log

       [2016-10-23T16:35:49+02:00] DEBUG: Plugin workflow-support does not seem to be installed
       [2016-10-23T16:35:49+02:00] INFO: Installing workflow-support:2.9
       [2016-10-23T16:35:49+02:00] DEBUG: Installing plugin dependencies for workflow-support
       [2016-10-23T16:35:49+02:00] DEBUG: Reading workflow-api's information from /var/lib/jenkins/plugins/workflow-api.jpi
       [2016-10-23T16:35:49+02:00] DEBUG: Content of /var/lib/jenkins/plugins/workflow-api.jpi manifest: Manifest-Version: 1.0
       Archiver-Version: Plexus Archiver
       Created-By: Apache Maven
       Built-By: svanoort
       Build-Jdk: 1.8.0_102
       Extension-Name: workflow-api
       Specification-Title: The Jenkins Plugins Parent POM Project
       Implementation-Title: workflow-api
       Implementation-Version: 2.4
       Group-Id: org.jenkins-ci.plugins.workflow
       Short-Name: workflow-api
       Long-Name: Pipeline: API
       Url: https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+API+Plugin
       Plugin-Version: 2.4
       Hudson-Version: 1.642.3
       Jenkins-Version: 1.642.3
       Plugin-Dependencies: workflow-step-api:1.15
       Plugin-Developers: 
       
       
       [2016-10-23T16:35:49+02:00] DEBUG: Seems plugin workflow-api is already installed. Reading metadata.
       [2016-10-23T16:35:49+02:00] DEBUG: workflow-api's manifest: {"manifest_version"=>"1.0", "archiver_version"=>"Plexus Archiver", "created_by"=>"Apache Maven", "built_by"=>"svanoort", "build_jdk"=>"1.8.0_102", "extension_name"=>"workflow-api", "specification_title"=>"The Jenkins Plugins Parent POM Project", "implementation_title"=>"workflow-api", "implementation_version"=>"2.4", "group_id"=>"org.jenkins-ci.plugins.workflow", "short_name"=>"workflow-api", "long_name"=>"Pipeline: API", "url"=>"https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+API+Plugin", "plugin_version"=>"2.4", "hudson_version"=>"1.642.3", "jenkins_version"=>"1.642.3", "plugin_dependencies"=>"workflow-step-api:1.15", "plugin_developers"=>""}
       [2016-10-23T16:35:49+02:00] DEBUG: Dependency workflow-api is already installed in version 2.4, required is 2.5
       [2016-10-23T16:35:49+02:00] DEBUG: Upgrading dependent plugin workflow-api from 2.4 to 2.5 (dependency of workflow-support)
       [2016-10-23T16:35:49+02:00] INFO: Installing workflow-api:2.5
       [2016-10-23T16:35:49+02:00] DEBUG: Installing plugin dependencies for workflow-api
       [2016-10-23T16:35:49+02:00] DEBUG: Reading workflow-step-api's information from /var/lib/jenkins/plugins/workflow-step-api.jpi
       [2016-10-23T16:35:49+02:00] DEBUG: Content of /var/lib/jenkins/plugins/workflow-step-api.jpi manifest: Manifest-Version: 1.0
       Archiver-Version: Plexus Archiver
       Created-By: Apache Maven
       Built-By: jglick
       Build-Jdk: 1.8.0_66
       Extension-Name: workflow-step-api
       Specification-Title: The Jenkins Plugins Parent POM Project
       Implementation-Title: workflow-step-api
       Implementation-Version: 1.15
       Group-Id: org.jenkins-ci.plugins.workflow
       Short-Name: workflow-step-api
       Long-Name: Pipeline: Step API
       Url: https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+Plugin
       Plugin-Version: 1.15
       Hudson-Version: 1.642.1
       Jenkins-Version: 1.642.1
       Plugin-Developers: 
       Support-Dynamic-Loading: true
       
       
       [2016-10-23T16:35:49+02:00] DEBUG: Seems plugin workflow-step-api is already installed. Reading metadata.
       [2016-10-23T16:35:49+02:00] DEBUG: workflow-step-api's manifest: {"manifest_version"=>"1.0", "archiver_version"=>"Plexus Archiver", "created_by"=>"Apache Maven", "built_by"=>"jglick", "build_jdk"=>"1.8.0_66", "extension_name"=>"workflow-step-api", "specification_title"=>"The Jenkins Plugins Parent POM Project", "implementation_title"=>"workflow-step-api", "implementation_version"=>"1.15", "group_id"=>"org.jenkins-ci.plugins.workflow", "short_name"=>"workflow-step-api", "long_name"=>"Pipeline: Step API", "url"=>"https://wiki.jenkins-ci.org/display/JENKINS/Pipeline+Plugin", "plugin_version"=>"1.15", "hudson_version"=>"1.642.1", "jenkins_version"=>"1.642.1", "plugin_developers"=>"", "support_dynamic_loading"=>"true"}
       [2016-10-23T16:35:49+02:00] DEBUG: Dependency workflow-step-api is already installed in version 1.15, required is 1.15
       [2016-10-23T16:35:49+02:00] DEBUG: Plugin workflow-step-api:1.15 sufficient
       [2016-10-23T16:35:49+02:00] DEBUG: Installing workflow-api from http://updates.jenkins-ci.org/download/plugins/workflow-api/2.4/workflow-api.hpi (opts: {:cli_opts=>nil, :install_deps=>true}

• Line 28 decides to update to 2.5
• Line 56 installs version 2.4