$ lua master_slave.lua
> [Tremblay:Master:(1) 0.000000] [lua/INFO] Hello from lua, I'm the master
> [Tremblay:Master:(1) 0.000000] [lua/INFO] Got 20
$ lua master_slave.lua
> [Tremblay:Master:(1) 0.000000] [lua/INFO] Hello from lua, I'm the master
> [Tremblay:Master:(1) 0.000000] [lua/INFO] Got 20