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- #!/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'
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