$ ./ns3-from-src-to-itself ${platfdir}/ns3-big-cluster.xml --cfg=network/model:ns-3 "--log=root.fmt:[%h:%P(%i)]%e[%c/%p]%e%m%n"
> [:maestro(0)] [xbt_cfg/INFO] Configuration change: Set 'network/model' to 'ns-3'
$ ./ns3-from-src-to-itself ${platfdir}/ns3-big-cluster.xml --cfg=network/model:ns-3 "--log=root.fmt:[%h:%P(%i)]%e[%c/%p]%e%m%n"
> [:maestro(0)] [xbt_cfg/INFO] Configuration change: Set 'network/model' to 'ns-3'