| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| NS="ns-peer-$(mktemp -u XXXXXX)" |
| |
| ip netns add "${NS}" |
| ip -netns "${NS}" link set lo up |
| ip -netns "${NS}" route add default via 127.0.0.2 dev lo |
| |
| tc -n "${NS}" qdisc add dev lo ingress |
| tc -n "${NS}" filter add dev lo ingress prio 4 protocol ip \ |
| bpf object-file nat6to4.bpf.o section schedcls/egress4/snat4 direct-action |
| |
| ip netns exec "${NS}" \ |
| bash -c 'echo 012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789abc | socat - UDP4-DATAGRAM:224.1.0.1:6666,ip-multicast-loop=1' |
