2015-11-16 16:32:32.458 24222 WARNING ceilometer.transformer.conversions [-] dropping sample with no predecessor: (<name: network.incoming.bytes, volume: 10305110, resource_id: instance-00000303-77923721-3ea9-4ee2-ac80-1201a6d65479-tapb067e212-b8, timestamp: 2015-11-16T19:32:32Z>,)
2015-11-16 16:32:32.494 24222 WARNING ceilometer.transformer.conversions [-] dropping sample with no predecessor: (<name: network.incoming.bytes, volume: 16776609, resource_id: instance-00000205-f248c9dc-0984-4e56-b712-8bf2c077a5c6-tape39e3176-a8, timestamp: 2015-11-16T19:32:32Z>,)
2015-11-16 16:32:32.530 24222 WARNING ceilometer.transformer.conversions [-] dropping sample with no predecessor: (<name: network.incoming.bytes, volume: 14725776, resource_id: instance-0000011e-f0779c3f-89ee-4a77-a4cf-016f46be5f9f-tapb95a1f48-c4, timestamp: 2015-11-16T19:32:32Z>,)