NMRConduitOutputStream keeps logging such events on INFO level:

2013-05-08T08:58:05,887 | INFO | :1.0-thread-1847 | NMRConduitOutputStream | 242 - org.apache.servicemix.cxf.transport.nmr - 4.5.0.redhat-60024 | invoking service interface com.mycompany.xmlns.services.test.inquirymanager._1_0.InquiryManager
2013-05-08T08:58:05,887 | INFO | :1.0-thread-1847 | NMRConduitOutputStream | 242 - org.apache.servicemix.cxf.transport.nmr - 4.5.0.redhat-60024 | invoking service interface com.mycompany.xmlns.services.test.inquirymanager._1_0.InquiryManager
2013-05-08T08:58:05,887 | INFO | :1.0-thread-1847 | NMRConduitOutputStream | 242 - org.apache.servicemix.cxf.transport.nmr - 4.5.0.redhat-60024 | create message exchange svc: null
2013-05-08T08:58:05,887 | INFO | :1.0-thread-1847 | NMRConduitOutputStream | 242 - org.apache.servicemix.cxf.transport.nmr - 4.5.0.redhat-60024 | exchange endpoint: null
2013-05-08T08:58:05,887 | INFO | :1.0-thread-1847 | NMRConduitOutputStream | 242 - org.apache.servicemix.cxf.transport.nmr - 4.5.0.redhat-60024 | setup message contents on Message []
2013-05-08T08:58:05,887 | INFO | :1.0-thread-1847 | NMRConduitOutputStream | 242 - org.apache.servicemix.cxf.transport.nmr - 4.5.0.redhat-60024 | service for exchange null
2013-05-08T08:58:05,888 | INFO | :1.0-thread-1847 | NMRConduitOutputStream | 242 - org.apache.servicemix.cxf.transport.nmr - 4.5.0.redhat-60024 | sending message

They should be logged in DEBUG level. Due to extensive logging there might have performance implications.