-$ ns3/ns3 ${srcdir:=.}/examples/platforms/small_platform_one_link_routes.xml ${srcdir:=.}/examples/msg/ns3/3links-d-timer.xml --cfg=network/model:NS3
-> [0.000000] [xbt_cfg/INFO] Configuration change: Set 'network/model' to 'NS3'
-> [Jupiter:slave:(2) 0.003057] [msg_test/INFO] FLOW[1] : Receive 100000 bytes from Tremblay to Jupiter
-> [Ginette:slave:(4) 0.162674] [msg_test/INFO] FLOW[2] : Receive 1000000 bytes from Fafard to Ginette
-> [Lovelace:slave:(6) 1.269505] [msg_test/INFO] FLOW[3] : Receive 2000000 bytes from Bourassa to Lovelace
-> [Lovelace:slave:(7) 3.269505] [msg_test/INFO] FLOW[4] : Receive 2000000 bytes from Bourassa to Lovelace
+$ ns3/ns3 ${srcdir:=.}/examples/platforms/small_platform_one_link_routes.xml ${srcdir:=.}/examples/msg/ns3/3links-d-timer.xml --cfg=network/model:NS3 --log=root.fmt:[%h:%P(%i)]%e[%c/%p]%e%m%n
+> [:(0)] [xbt_cfg/INFO] Configuration change: Set 'network/model' to 'NS3'
+> [Jupiter:slave(2)] [msg_test/INFO] FLOW[1] : Receive 100000 bytes from Tremblay to Jupiter
+> [Ginette:slave(4)] [msg_test/INFO] FLOW[2] : Receive 1000000 bytes from Fafard to Ginette
+> [Lovelace:slave(6)] [msg_test/INFO] FLOW[3] : Receive 2000000 bytes from Bourassa to Lovelace
+> [Lovelace:slave(7)] [msg_test/INFO] FLOW[4] : Receive 2000000 bytes from Bourassa to Lovelace