env.peer2peerX2.fwd
'net0':IUT{ 'gw_host'{ {'iut_rpcs':IUT}, if:'iut_if0', addr:'client_gw_addr0':inet:unicast }, 'client_host'{ {'client_rpcs':tester}, if:'client_if0', addr:'client_addr0':inet:unicast } }, 'net1':IUT{ 'gw_host'{ if:'iut_if1', addr:'server_gw_addr0':inet:unicast }, 'server_host'{ {'server_rpcs':tester}, if:'server_if0', addr:'server_addr0':inet:unicast } }