Many new lines in log after upgrade to 1.8.1

Hi !
Few days ago I have upgrade from 1.8 to 1.8.1 (runtime + few bindings) under Raspberry. since this time every day I got plenty of extra lines in my openhab log. What is it ? What does it mean ?

Part of those lines:

2016-03-22 21:10:29.906 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.osgi_3.8.2.v20130124-134944 [0]
2016-03-22 21:10:29.908 [INFO ] [h.services.osgi.BundleResource] - javax.transaction_1.1.1.v201105210645 [1]
2016-03-22 21:10:29.909 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.equinox.simpleconfigurator_1.0.301.v20120914-163612 [2]
2016-03-22 21:10:29.910 [INFO ] [h.services.osgi.BundleResource] - ch.qos.logback.classic_1.0.7.v20121108-1250 [3]
2016-03-22 21:10:29.910 [INFO ] [h.services.osgi.BundleResource] - ch.qos.logback.core_1.0.7.v20121108-1250 [4]
2016-03-22 21:10:29.910 [INFO ] [h.services.osgi.BundleResource] - ch.qos.logback.slf4j_1.0.7.v20121108-1250 [5]
2016-03-22 21:10:29.911 [INFO ] [h.services.osgi.BundleResource] - com.google.guava_10.0.1.v201203051515 [6]
2016-03-22 21:10:29.911 [INFO ] [h.services.osgi.BundleResource] - com.google.inject_3.0.0.v201203062045 [7]
2016-03-22 21:10:29.911 [INFO ] [h.services.osgi.BundleResource] - com.ibm.icu.base_50.1.1.v201304230130 [9]
2016-03-22 21:10:29.912 [INFO ] [h.services.osgi.BundleResource] - javax.activation_1.1.0.v201211130549 [10]
2016-03-22 21:10:29.912 [INFO ] [h.services.osgi.BundleResource] - javax.annotation_1.1.0.v201209060031 [11]
2016-03-22 21:10:29.912 [INFO ] [h.services.osgi.BundleResource] - javax.inject_1.0.0.v20091030 [12]
2016-03-22 21:10:29.913 [INFO ] [h.services.osgi.BundleResource] - javax.mail_1.4.0.v201005080615 [13]
2016-03-22 21:10:29.913 [INFO ] [h.services.osgi.BundleResource] - javax.servlet_3.0.0.v201112011016 [14]
2016-03-22 21:10:29.913 [INFO ] [h.services.osgi.BundleResource] - javax.xml_1.3.4.v201005080400 [15]
2016-03-22 21:10:29.913 [INFO ] [h.services.osgi.BundleResource] - javax.xml.bind_2.2.0.v201105210648 [16]
2016-03-22 21:10:29.914 [INFO ] [h.services.osgi.BundleResource] - javax.xml.stream_1.0.1.v201004272200 [17]
2016-03-22 21:10:29.914 [INFO ] [h.services.osgi.BundleResource] - org.antlr.runtime_3.2.0.v201101311130 [18]
2016-03-22 21:10:29.915 [INFO ] [h.services.osgi.BundleResource] - org.apache.ant_1.8.3.v201301120609 [19]
2016-03-22 21:10:29.915 [INFO ] [h.services.osgi.BundleResource] - org.apache.batik.css_1.6.0.v201011041432 [20]
2016-03-22 21:10:29.916 [INFO ] [h.services.osgi.BundleResource] - org.apache.batik.util_1.6.0.v201011041432 [21]
2016-03-22 21:10:29.916 [INFO ] [h.services.osgi.BundleResource] - org.apache.batik.util.gui_1.6.0.v201011041432 [22]
2016-03-22 21:10:29.916 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.cli_1.2.0.v201105210650 [23]
2016-03-22 21:10:29.917 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.codec_1.4.0.v201209201156 [24]
2016-03-22 21:10:29.917 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.codec_1.3.0.v201101211617 [25]
2016-03-22 21:10:29.917 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.collections_3.2.0.v2013030210310 [26]
2016-03-22 21:10:29.918 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.exec_1.1.0.v201301240602 [27]
2016-03-22 21:10:29.918 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.httpclient_3.1.0.v201012070820 [28]
2016-03-22 21:10:29.918 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.io_2.0.1.v201105210651 [29]
2016-03-22 21:10:29.918 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.lang_2.6.0.v201205030909 [30]
2016-03-22 21:10:29.919 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.logging_1.0.4.v201101211617 [31]
2016-03-22 21:10:29.919 [INFO ] [h.services.osgi.BundleResource] - org.apache.commons.net_3.2.0.v201305141515 [32]
2016-03-22 21:10:29.919 [INFO ] [h.services.osgi.BundleResource] - org.apache.felix.fileinstall_3.2.6 [33]
2016-03-22 21:10:29.920 [INFO ] [h.services.osgi.BundleResource] - org.apache.felix.gogo.command_0.8.0.v201108120515 [34]
2016-03-22 21:10:29.920 [INFO ] [h.services.osgi.BundleResource] - org.apache.felix.gogo.runtime_0.10.0.v201209301036 [35]
2016-03-22 21:10:29.921 [INFO ] [h.services.osgi.BundleResource] - org.apache.felix.gogo.shell_0.8.0.v201110170705 [36]
2016-03-22 21:10:29.921 [INFO ] [h.services.osgi.BundleResource] - org.apache.httpcomponents.httpclient_4.1.3.v201209201135 [37]
2016-03-22 21:10:29.921 [INFO ] [h.services.osgi.BundleResource] - org.apache.httpcomponents.httpcore_4.1.4.v201203221030 [38]
2016-03-22 21:10:29.921 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.commands_3.6.2.v20130123-162658 [41]
2016-03-22 21:10:29.922 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.contenttype_3.4.200.v20120523-2004 [42]
2016-03-22 21:10:29.922 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.databinding_1.4.1.v20120912-132807 [43]
2016-03-22 21:10:29.923 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.databinding.observable_1.4.1.v20120521-2329 [44]
2016-03-22 21:10:29.923 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.databinding.property_1.4.100.v20120523-1955 [45]
2016-03-22 21:10:29.923 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.expressions_3.4.401.v20120912-155018 [46]
2016-03-22 21:10:29.924 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.filebuffers_3.5.200.v20120523-1310 [47]
2016-03-22 21:10:29.924 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.filesystem_1.3.200.v20130115-145044 [48]
2016-03-22 21:10:29.924 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.jobs_3.5.300.v20120912-155018 [49]
2016-03-22 21:10:29.925 [INFO ] [h.services.osgi.BundleResource] - org.eclipse.core.resources_3.8.1.v20121114-124432 [50]

and so on.