When I view logs in terminal, I get this when I turn it on and off:
INFO:homeassistant.core:Bus:Handling <Event call_service[L]: service_data=entity_id=switch.verwarming_badkamer, service=turn_on, service_call_id=1978823728-5, domain=homeassistant>
INFO:homeassistant.core:Bus:Handling <Event call_service[L]: service_data=entity_id=['switch.verwarming_badkamer'], service=turn_on, service_call_id=1978823728-6, domain=switch>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=switch.verwarming_badkamer, old_state=<state switch.verwarming_badkamer=off; friendly_name=Badkamer, icon=mdi:radiator @ 2016-06-25T16:50:19.560996+02:00>, new_state=<state switch.verwarming_badkamer=on; friendly_name=Badkamer, icon=mdi:radiator @ 2016-06-25T16:51:24.069015+02:00>>
INFO:homeassistant.core:Bus:Handling <Event service_executed[L]: service_call_id=1978823728-6>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=binary_sensor.verwarming_badkamer, old_state=<state binary_sensor.verwarming_badkamer=off; friendly_name=Badkamer, icon=mdi:radiator @ 2016-06-25T16:50:19.704406+02:00>, new_state=<state binary_sensor.verwarming_badkamer=on; friendly_name=Badkamer, icon=mdi:radiator @ 2016-06-25T16:51:24.183687+02:00>>
INFO:homeassistant.core:Bus:Handling <Event service_executed[L]: service_call_id=1978823728-5>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=group.all_switches, old_state=<state group.all_switches=off; entity_id=('switch.reserve', 'switch.verwarming_wc', 'switch.verwarming_slaapkamer', 'switch.verluchting', 'switch.verwarming_badkamer', 'switch.reserve_2', 'switch.verwarming_fien', 'switch.verwarming_noor'), order=2, hidden=True, auto=True, friendly_name=all switches @ 2016-06-25T16:50:19.818582+02:00>, new_state=<state group.all_switches=on; entity_id=('switch.reserve', 'switch.verwarming_wc', 'switch.verwarming_slaapkamer', 'switch.verluchting', 'switch.verwarming_badkamer', 'switch.reserve_2', 'switch.verwarming_fien', 'switch.verwarming_noor'), order=2, hidden=True, auto=True, friendly_name=all switches @ 2016-06-25T16:51:24.225002+02:00>>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=group.badkamer, old_state=<state group.badkamer=off; entity_id=('switch.verwarming_badkamer',), order=14, friendly_name=Badkamer @ 2016-06-25T16:50:19.765027+02:00>, new_state=<state group.badkamer=on; entity_id=('switch.verwarming_badkamer',), order=14, friendly_name=Badkamer @ 2016-06-25T16:51:24.489112+02:00>>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=group.default_view, old_state=<state group.default_view=off; entity_id=('input_select.wie_slaapt', 'input_select.scene_selection', 'group.time', 'group.booleans', 'updater.updater', 'binary_sensor.verluchting', 'binary_sensor.verwarming_fien', 'binary_sensor.verwarming_noor', 'binary_sensor.verwarming_badkamer', 'binary_sensor.verwarming_slaapkamer', 'binary_sensor.verwarming_wc', 'binary_sensor.verwarming_bureau', 'binary_sensor.opladers'), order=3, hidden=True, friendly_name=default_view, view=True @ 2016-06-25T16:50:19.925517+02:00>, new_state=<state group.default_view=on; entity_id=('input_select.wie_slaapt', 'input_select.scene_selection', 'group.time', 'group.booleans', 'updater.updater', 'binary_sensor.verluchting', 'binary_sensor.verwarming_fien', 'binary_sensor.verwarming_noor', 'binary_sensor.verwarming_badkamer', 'binary_sensor.verwarming_slaapkamer', 'binary_sensor.verwarming_wc', 'binary_sensor.verwarming_bureau', 'binary_sensor.opladers'), order=3, hidden=True, friendly_name=default_view, view=True @ 2016-06-25T16:51:24.504414+02:00>>
INFO:homeassistant.components.http:192.168.0.29 - - [25/Jun/2016 16:51:24] "POST /api/services/homeassistant/turn_on HTTP/1.1" 200 1957 0.520097
INFO:homeassistant.components.device_tracker.nmap_tracker:Scanning
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=group.boven, old_state=<state group.boven=off; entity_id=('group.wie_slaapt', 'group.badkamer', 'group.slaapkamer', 'group.slaapkamer_noor', 'group.slaapkamer_fien', 'group.bureau'), order=10, hidden=True, friendly_name=Boven, view=True @ 2016-06-25T16:50:19.997166+02:00>, new_state=<state group.boven=on; entity_id=('group.wie_slaapt', 'group.badkamer', 'group.slaapkamer', 'group.slaapkamer_noor', 'group.slaapkamer_fien', 'group.bureau'), order=10, hidden=True, friendly_name=Boven, view=True @ 2016-06-25T16:51:24.635478+02:00>>
INFO:homeassistant.core:Bus:Handling <Event call_service[L]: service_data=entity_id=switch.verwarming_badkamer, service=turn_off, service_call_id=1978823728-7, domain=homeassistant>
INFO:homeassistant.core:Bus:Handling <Event call_service[L]: service_data=entity_id=['switch.verwarming_badkamer'], service=turn_off, service_call_id=1978823728-8, domain=switch>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=switch.verwarming_badkamer, old_state=<state switch.verwarming_badkamer=on; friendly_name=Badkamer, icon=mdi:radiator @ 2016-06-25T16:51:24.069015+02:00>, new_state=<state switch.verwarming_badkamer=off; friendly_name=Badkamer, icon=mdi:radiator @ 2016-06-25T16:51:25.733033+02:00>>
INFO:homeassistant.core:Bus:Handling <Event service_executed[L]: service_call_id=1978823728-8>
INFO:homeassistant.core:Bus:Handling <Event service_executed[L]: service_call_id=1978823728-7>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=group.all_switches, old_state=<state group.all_switches=on; entity_id=('switch.reserve', 'switch.verwarming_wc', 'switch.verwarming_slaapkamer', 'switch.verluchting', 'switch.verwarming_badkamer', 'switch.reserve_2', 'switch.verwarming_fien', 'switch.verwarming_noor'), order=2, hidden=True, auto=True, friendly_name=all switches @ 2016-06-25T16:51:24.225002+02:00>, new_state=<state group.all_switches=off; entity_id=('switch.reserve', 'switch.verwarming_wc', 'switch.verwarming_slaapkamer', 'switch.verluchting', 'switch.verwarming_badkamer', 'switch.reserve_2', 'switch.verwarming_fien', 'switch.verwarming_noor'), order=2, hidden=True, auto=True, friendly_name=all switches @ 2016-06-25T16:51:25.751635+02:00>>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=binary_sensor.verwarming_badkamer, old_state=<state binary_sensor.verwarming_badkamer=on; friendly_name=Badkamer, icon=mdi:radiator @ 2016-06-25T16:51:24.183687+02:00>, new_state=<state binary_sensor.verwarming_badkamer=off; friendly_name=Badkamer, icon=mdi:radiator @ 2016-06-25T16:51:25.885854+02:00>>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=group.badkamer, old_state=<state group.badkamer=on; entity_id=('switch.verwarming_badkamer',), order=14, friendly_name=Badkamer @ 2016-06-25T16:51:24.489112+02:00>, new_state=<state group.badkamer=off; entity_id=('switch.verwarming_badkamer',), order=14, friendly_name=Badkamer @ 2016-06-25T16:51:25.915178+02:00>>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=group.boven, old_state=<state group.boven=on; entity_id=('group.wie_slaapt', 'group.badkamer', 'group.slaapkamer', 'group.slaapkamer_noor', 'group.slaapkamer_fien', 'group.bureau'), order=10, hidden=True, friendly_name=Boven, view=True @ 2016-06-25T16:51:24.635478+02:00>, new_state=<state group.boven=off; entity_id=('group.wie_slaapt', 'group.badkamer', 'group.slaapkamer', 'group.slaapkamer_noor', 'group.slaapkamer_fien', 'group.bureau'), order=10, hidden=True, friendly_name=Boven, view=True @ 2016-06-25T16:51:25.964611+02:00>>
INFO:homeassistant.core:Bus:Handling <Event state_changed[L]: entity_id=group.default_view, old_state=<state group.default_view=on; entity_id=('input_select.wie_slaapt', 'input_select.scene_selection', 'group.time', 'group.booleans', 'updater.updater', 'binary_sensor.verluchting', 'binary_sensor.verwarming_fien', 'binary_sensor.verwarming_noor', 'binary_sensor.verwarming_badkamer', 'binary_sensor.verwarming_slaapkamer', 'binary_sensor.verwarming_wc', 'binary_sensor.verwarming_bureau', 'binary_sensor.opladers'), order=3, hidden=True, friendly_name=default_view, view=True @ 2016-06-25T16:51:24.504414+02:00>, new_state=<state group.default_view=off; entity_id=('input_select.wie_slaapt', 'input_select.scene_selection', 'group.time', 'group.booleans', 'updater.updater', 'binary_sensor.verluchting', 'binary_sensor.verwarming_fien', 'binary_sensor.verwarming_noor', 'binary_sensor.verwarming_badkamer', 'binary_sensor.verwarming_slaapkamer', 'binary_sensor.verwarming_wc', 'binary_sensor.verwarming_bureau', 'binary_sensor.opladers'), order=3, hidden=True, friendly_name=default_view, view=True @ 2016-06-25T16:51:26.070474+02:00>>
INFO:homeassistant.components.http:192.168.0.29 - - [25/Jun/2016 16:51:26] "POST /api/services/homeassistant/turn_off HTTP/1.1" 200 1700 0.345073