env.peer2peerX2
'net0':IUT{ 'iut_host'{ if:'iut_if0', addr:'iut4_addr0':inet:unicast, addr:'iut6_addr0':inet6:unicast }, 'tst_host'{ if:'tst_if0', addr:'tst4_addr0':inet:unicast, addr:'tst6_addr0':inet6:unicast } }, 'net1':IUT{ 'iut_host'{ if:'iut_if1', addr:'iut4_addr1':inet:unicast, addr:'iut6_addr1':inet6:unicast }, 'tst_host'{ if:'tst_if1', addr:'tst4_addr1':inet:unicast, addr:'tst6_addr1':inet6:unicast } }