15:37:40.164586 Log continuation - Log started 2017-02-05T20:35:22.783518300Z 15:37:40.164586 GUI: UIMediumEnumerator: Old usage: c4779b35-f1f7-48ba-bf03-15598d412108, e70087d4-966e-44e9-b592-839445eeff16 15:37:40.167087 GUI: UIMediumEnumerator: New usage: e70087d4-966e-44e9-b592-839445eeff16, c4779b35-f1f7-48ba-bf03-15598d412108 15:37:40.167087 GUI: UIMediumEnumerator: Items currently in usage: e70087d4-966e-44e9-b592-839445eeff16, c4779b35-f1f7-48ba-bf03-15598d412108 15:37:40.167087 GUI: UIMediumEnumerator: Machine (or snapshot) event processed, ID = 0f28fa45-33e6-4398-9f50-c92329321ad7 15:37:40.169087 GUI: UIMediumEnumerator: Medium-enumeration finished!