! expect signal SIGABRT
$ ${bindir:=.}/flatifier two_hosts_asymetric_BOGUS.xml "--log=root.fmt:[%10.6r]%e[%i:%P@%h]%e%m%n"
> [  0.000000] [0:@] surf_workstation_model_init_ptask_L07
> [  0.000000] [0:@] Error while loading two_hosts_asymetric_BOGUS.xml: The route between "alice" and "bob" already exists. If you are trying to define a reverse route, you must set the symmetrical=no attribute to your routes tags.

! expect signal SIGABRT
$ ${bindir:=.}/flatifier two_hosts_asymetric_BOGUS2.xml "--log=root.fmt:[%10.6r]%e[%i:%P@%h]%e%m%n"
> [  0.000000] [0:@] surf_workstation_model_init_ptask_L07
> [  0.000000] [0:@] Error while loading two_hosts_asymetric_BOGUS2.xml: The route between "alice" and "bob" already exists. If you are trying to define a reverse route, you must set the symmetrical=no attribute to your routes tags.