Thanks a lot, most appreciated!
Here are the few seconds before the lines I already sent:
2018-09-28 09:37:50.856 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <-- AF_INCOMING_MSG (FE 1B 44 81 00 00 08 00 B9 C6 03 01 00 05 00 EE 29 60 00 00 07 18 55 0A 00 00 20 0C B9 C6 1D 07)
2018-09-28 09:37:50.863 [DEBUG] [31.network.impl.CommandInterfaceImpl] - Received Async Cmd: Packet: subsystem=null, length=27, apiId=44 81, data=FE 1B 44 81 00 00 08 00 B9 C6 03 01 00 05 00 EE 29 60 00 00 07 18 55 0A 00 00 20 0C B9 C6 1D 07, checksum=07, error=false
2018-09-28 09:37:50.871 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX APS: ZigBeeApsFrame [sourceAddress=50873/3, destinationAddress=0/1, profile=0104, cluster=8, addressMode=null, radius=0, sequence=0, payload=18 55 0A 00 00 20 0C]
2018-09-28 09:37:50.878 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX ZCL: ZclHeader [frameType=ENTIRE_PROFILE_COMMAND, manufacturerSpecific=false, direction=SERVER_TO_CLIENT, disableDefaultResponse=true, manufacturerCode=0, sequenceNumber=85, commandId=10]
2018-09-28 09:37:50.885 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX CMD: ReportAttributesCommand [Level Control: 50873/3 -> 0/1, cluster=0008, TID=55, reports=[Attribute Report: attributeDataType=UNSIGNED_8_BIT_INTEGER, attributeIdentifier=0, attributeValue=12]]
2018-09-28 09:37:50.895 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <-- AF_INCOMING_MSG (FE 1B 44 81 00 00 08 00 5B 77 03 01 00 0A 00 73 2A 60 00 00 07 18 32 0A 00 00 20 0C 23 4B 1C B4)
2018-09-28 09:37:50.902 [DEBUG] [31.network.impl.CommandInterfaceImpl] - Received Async Cmd: Packet: subsystem=null, length=27, apiId=44 81, data=FE 1B 44 81 00 00 08 00 5B 77 03 01 00 0A 00 73 2A 60 00 00 07 18 32 0A 00 00 20 0C 23 4B 1C B4, checksum=B4, error=false
2018-09-28 09:37:50.895 [DEBUG] [converter.ZigBeeConverterSwitchLevel] - 7CB03EAA000018B9: ZigBee attribute reports ZclAttribute [cluster=LEVEL_CONTROL, id=0, name=CurrentLevel, dataType=UNSIGNED_8_BIT_INTEGER, lastValue=12, lastReportTime=Fri Sep 28 09:37:50 UTC 2018]
2018-09-28 09:37:50.910 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX APS: ZigBeeApsFrame [sourceAddress=30555/3, destinationAddress=0/1, profile=0104, cluster=8, addressMode=null, radius=0, sequence=0, payload=18 32 0A 00 00 20 0C]
2018-09-28 09:37:50.916 [DEBUG] [converter.ZigBeeBaseChannelConverter] - 7CB03EAA000018B9: Channel zigbee:device:ab2573ab:7cb03eaa000018b9:7CB03EAA000018B9_3_switch_level updated to 5
2018-09-28 09:37:50.919 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX ZCL: ZclHeader [frameType=ENTIRE_PROFILE_COMMAND, manufacturerSpecific=false, direction=SERVER_TO_CLIENT, disableDefaultResponse=true, manufacturerCode=0, sequenceNumber=50, commandId=10]
2018-09-28 09:37:50.930 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - 7CB03EAA000018B9: Updating ZigBee channel state zigbee:device:ab2573ab:7cb03eaa000018b9:7CB03EAA000018B9_3_switch_level to 5
2018-09-28 09:37:50.934 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX CMD: ReportAttributesCommand [Level Control: 30555/3 -> 0/1, cluster=0008, TID=32, reports=[Attribute Report: attributeDataType=UNSIGNED_8_BIT_INTEGER, attributeIdentifier=0, attributeValue=12]]
2018-09-28 09:37:50.960 [DEBUG] [converter.ZigBeeConverterSwitchLevel] - 7CB03EAA00002089: ZigBee attribute reports ZclAttribute [cluster=LEVEL_CONTROL, id=0, name=CurrentLevel, dataType=UNSIGNED_8_BIT_INTEGER, lastValue=12, lastReportTime=Fri Sep 28 09:37:50 UTC 2018]
2018-09-28 09:37:50.966 [DEBUG] [converter.ZigBeeBaseChannelConverter] - 7CB03EAA00002089: Channel zigbee:device:ab2573ab:7cb03eaa00002089:7CB03EAA00002089_3_switch_level updated to 5
2018-09-28 09:37:50.972 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - 7CB03EAA00002089: Updating ZigBee channel state zigbee:device:ab2573ab:7cb03eaa00002089:7CB03EAA00002089_3_switch_level to 5
2018-09-28 09:37:51.841 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <-- AF_INCOMING_MSG (FE 1B 44 81 00 00 08 00 B9 C6 03 01 00 07 00 01 36 60 00 00 07 18 56 0A 00 00 20 0C B9 C6 1D F6)
2018-09-28 09:37:51.849 [DEBUG] [31.network.impl.CommandInterfaceImpl] - Received Async Cmd: Packet: subsystem=null, length=27, apiId=44 81, data=FE 1B 44 81 00 00 08 00 B9 C6 03 01 00 07 00 01 36 60 00 00 07 18 56 0A 00 00 20 0C B9 C6 1D F6, checksum=F6, error=false
2018-09-28 09:37:51.858 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX APS: ZigBeeApsFrame [sourceAddress=50873/3, destinationAddress=0/1, profile=0104, cluster=8, addressMode=null, radius=0, sequence=0, payload=18 56 0A 00 00 20 0C]
2018-09-28 09:37:51.865 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX ZCL: ZclHeader [frameType=ENTIRE_PROFILE_COMMAND, manufacturerSpecific=false, direction=SERVER_TO_CLIENT, disableDefaultResponse=true, manufacturerCode=0, sequenceNumber=86, commandId=10]
2018-09-28 09:37:51.879 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX CMD: ReportAttributesCommand [Level Control: 50873/3 -> 0/1, cluster=0008, TID=56, reports=[Attribute Report: attributeDataType=UNSIGNED_8_BIT_INTEGER, attributeIdentifier=0, attributeValue=12]]
2018-09-28 09:37:51.890 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <-- AF_INCOMING_MSG (FE 1B 44 81 00 00 08 00 5B 77 03 01 00 0A 00 77 36 60 00 00 07 18 33 0A 00 00 20 0C 23 4B 1C AD)
2018-09-28 09:37:51.890 [DEBUG] [converter.ZigBeeConverterSwitchLevel] - 7CB03EAA000018B9: ZigBee attribute reports ZclAttribute [cluster=LEVEL_CONTROL, id=0, name=CurrentLevel, dataType=UNSIGNED_8_BIT_INTEGER, lastValue=12, lastReportTime=Fri Sep 28 09:37:51 UTC 2018]
2018-09-28 09:37:51.898 [DEBUG] [31.network.impl.CommandInterfaceImpl] - Received Async Cmd: Packet: subsystem=null, length=27, apiId=44 81, data=FE 1B 44 81 00 00 08 00 5B 77 03 01 00 0A 00 77 36 60 00 00 07 18 33 0A 00 00 20 0C 23 4B 1C AD, checksum=AD, error=false
2018-09-28 09:37:51.904 [DEBUG] [converter.ZigBeeBaseChannelConverter] - 7CB03EAA000018B9: Channel zigbee:device:ab2573ab:7cb03eaa000018b9:7CB03EAA000018B9_3_switch_level updated to 5
2018-09-28 09:37:51.908 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX APS: ZigBeeApsFrame [sourceAddress=30555/3, destinationAddress=0/1, profile=0104, cluster=8, addressMode=null, radius=0, sequence=0, payload=18 33 0A 00 00 20 0C]
2018-09-28 09:37:51.911 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - 7CB03EAA000018B9: Updating ZigBee channel state zigbee:device:ab2573ab:7cb03eaa000018b9:7CB03EAA000018B9_3_switch_level to 5
2018-09-28 09:37:51.912 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX ZCL: ZclHeader [frameType=ENTIRE_PROFILE_COMMAND, manufacturerSpecific=false, direction=SERVER_TO_CLIENT, disableDefaultResponse=true, manufacturerCode=0, sequenceNumber=51, commandId=10]
2018-09-28 09:37:51.921 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX CMD: ReportAttributesCommand [Level Control: 30555/3 -> 0/1, cluster=0008, TID=33, reports=[Attribute Report: attributeDataType=UNSIGNED_8_BIT_INTEGER, attributeIdentifier=0, attributeValue=12]]
2018-09-28 09:37:51.928 [DEBUG] [converter.ZigBeeConverterSwitchLevel] - 7CB03EAA00002089: ZigBee attribute reports ZclAttribute [cluster=LEVEL_CONTROL, id=0, name=CurrentLevel, dataType=UNSIGNED_8_BIT_INTEGER, lastValue=12, lastReportTime=Fri Sep 28 09:37:51 UTC 2018]
2018-09-28 09:37:51.934 [DEBUG] [converter.ZigBeeBaseChannelConverter] - 7CB03EAA00002089: Channel zigbee:device:ab2573ab:7cb03eaa00002089:7CB03EAA00002089_3_switch_level updated to 5
2018-09-28 09:37:51.939 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - 7CB03EAA00002089: Updating ZigBee channel state zigbee:device:ab2573ab:7cb03eaa00002089:7CB03EAA00002089_3_switch_level to 5
2018-09-28 09:37:52.296 [DEBUG] [internal.ZigBeeNodeServiceDiscoverer] - 0: Node SVC Discovery NetworkAddressRequest returned null
2018-09-28 09:37:52.301 [DEBUG] [internal.ZigBeeNodeServiceDiscoverer] - 00124B0009EF0176: Node SVC Discovery request NWK_ADDRESS failed. Retry 46, wait 75110ms before retry.
2018-09-28 09:37:52.443 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - 7CB03EAA0000149A: Command for channel zigbee:device:ab2573ab:7cb03eaa0000149a:7CB03EAA0000149A_3_switch_level --> 0
2018-09-28 09:37:52.456 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - TX CMD: MoveToLevelWithOnOffCommand [Level Control: 0/0 -> 19235/3, cluster=0008, TID=2A, level=0, transitionTime=10]
2018-09-28 09:37:52.462 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - TX ZCL: ZclHeader [frameType=CLUSTER_SPECIFIC_COMMAND, manufacturerSpecific=false, direction=CLIENT_TO_SERVER, disableDefaultResponse=false, manufacturerCode=0, sequenceNumber=42, commandId=4]
2018-09-28 09:37:52.468 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - TX APS: ZigBeeApsFrame [sourceAddress=0/1, destinationAddress=19235/3, profile=0104, cluster=8, addressMode=DEVICE, radius=31, sequence=42, payload=01 2A 04 00 0A 00]
2018-09-28 09:37:52.472 [DEBUG] [31.network.impl.CommandInterfaceImpl] - -> AF_DATA_REQUEST (Packet: subsystem=null, length=16, apiId=24 01, data=FE 10 24 01 23 4B 03 01 08 00 2A 30 1F 06 01 2A 04 00 0A 00 71, checksum=71, error=false)
2018-09-28 09:37:52.606 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <- AF_DATA_SRSP (FE 01 64 01 00 64)
2018-09-28 09:37:52.829 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <-- AF_INCOMING_MSG (FE 1B 44 81 00 00 08 00 B9 C6 03 01 00 05 00 21 42 60 00 00 07 18 57 0A 00 00 20 0C B9 C6 1D A1)
2018-09-28 09:37:52.836 [DEBUG] [31.network.impl.CommandInterfaceImpl] - Received Async Cmd: Packet: subsystem=null, length=27, apiId=44 81, data=FE 1B 44 81 00 00 08 00 B9 C6 03 01 00 05 00 21 42 60 00 00 07 18 57 0A 00 00 20 0C B9 C6 1D A1, checksum=A1, error=false
2018-09-28 09:37:52.845 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX APS: ZigBeeApsFrame [sourceAddress=50873/3, destinationAddress=0/1, profile=0104, cluster=8, addressMode=null, radius=0, sequence=0, payload=18 57 0A 00 00 20 0C]
2018-09-28 09:37:52.852 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX ZCL: ZclHeader [frameType=ENTIRE_PROFILE_COMMAND, manufacturerSpecific=false, direction=SERVER_TO_CLIENT, disableDefaultResponse=true, manufacturerCode=0, sequenceNumber=87, commandId=10]
2018-09-28 09:37:52.860 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX CMD: ReportAttributesCommand [Level Control: 50873/3 -> 0/1, cluster=0008, TID=57, reports=[Attribute Report: attributeDataType=UNSIGNED_8_BIT_INTEGER, attributeIdentifier=0, attributeValue=12]]
2018-09-28 09:37:52.874 [DEBUG] [converter.ZigBeeConverterSwitchLevel] - 7CB03EAA000018B9: ZigBee attribute reports ZclAttribute [cluster=LEVEL_CONTROL, id=0, name=CurrentLevel, dataType=UNSIGNED_8_BIT_INTEGER, lastValue=12, lastReportTime=Fri Sep 28 09:37:52 UTC 2018]
2018-09-28 09:37:52.879 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <-- AF_INCOMING_MSG (FE 1B 44 81 00 00 08 00 5B 77 03 01 00 05 00 86 42 60 00 00 07 18 34 0A 00 00 20 0C B9 C6 1C 37)
2018-09-28 09:37:52.888 [DEBUG] [converter.ZigBeeBaseChannelConverter] - 7CB03EAA000018B9: Channel zigbee:device:ab2573ab:7cb03eaa000018b9:7CB03EAA000018B9_3_switch_level updated to 5
2018-09-28 09:37:52.888 [DEBUG] [31.network.impl.CommandInterfaceImpl] - Received Async Cmd: Packet: subsystem=null, length=27, apiId=44 81, data=FE 1B 44 81 00 00 08 00 5B 77 03 01 00 05 00 86 42 60 00 00 07 18 34 0A 00 00 20 0C B9 C6 1C 37, checksum=37, error=false
2018-09-28 09:37:52.896 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - 7CB03EAA000018B9: Updating ZigBee channel state zigbee:device:ab2573ab:7cb03eaa000018b9:7CB03EAA000018B9_3_switch_level to 5
2018-09-28 09:37:52.903 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX APS: ZigBeeApsFrame [sourceAddress=30555/3, destinationAddress=0/1, profile=0104, cluster=8, addressMode=null, radius=0, sequence=0, payload=18 34 0A 00 00 20 0C]
2018-09-28 09:37:52.914 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX ZCL: ZclHeader [frameType=ENTIRE_PROFILE_COMMAND, manufacturerSpecific=false, direction=SERVER_TO_CLIENT, disableDefaultResponse=true, manufacturerCode=0, sequenceNumber=52, commandId=10]
2018-09-28 09:37:52.921 [DEBUG] [tsystems.zigbee.ZigBeeNetworkManager] - RX CMD: ReportAttributesCommand [Level Control: 30555/3 -> 0/1, cluster=0008, TID=34, reports=[Attribute Report: attributeDataType=UNSIGNED_8_BIT_INTEGER, attributeIdentifier=0, attributeValue=12]]
2018-09-28 09:37:52.927 [DEBUG] [converter.ZigBeeConverterSwitchLevel] - 7CB03EAA00002089: ZigBee attribute reports ZclAttribute [cluster=LEVEL_CONTROL, id=0, name=CurrentLevel, dataType=UNSIGNED_8_BIT_INTEGER, lastValue=12, lastReportTime=Fri Sep 28 09:37:52 UTC 2018]
2018-09-28 09:37:52.932 [DEBUG] [converter.ZigBeeBaseChannelConverter] - 7CB03EAA00002089: Channel zigbee:device:ab2573ab:7cb03eaa00002089:7CB03EAA00002089_3_switch_level updated to 5
2018-09-28 09:37:52.936 [DEBUG] [ng.zigbee.handler.ZigBeeThingHandler] - 7CB03EAA00002089: Updating ZigBee channel state zigbee:device:ab2573ab:7cb03eaa00002089:7CB03EAA00002089_3_switch_level to 5
2018-09-28 09:37:53.034 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <-- AF_DATA_CONFIRM (FE 03 44 80 00 01 2A EC)
2018-09-28 09:37:53.039 [DEBUG] [31.network.impl.CommandInterfaceImpl] - Received Async Cmd: AF_DATA_CONFIRM(Endpoint=1, Status=SUCCESS(0), TransID=42)
2018-09-28 09:37:53.044 [DEBUG] [31.network.impl.CommandInterfaceImpl] - <-- AF_INCOMING_MSG (FE 19 44 81 00 00 08 00 23 4B 03 01 00 0A 00 EA 44 60 00 00 05 08 2A 0B 04 00 23 4B 1D 27)