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14966a8df7
This commit adds a new kernel selftest to verify RTNLGRP_IPV6_ACADDR notifications. The test works by adding/removing a dummy interface, enabling packet forwarding, and then confirming that user space can correctly receive anycast notifications. The test relies on the iproute2 version to be 6.13+. Tested by the following command: $ vng -v --user root --cpus 16 -- \ make -C tools/testing/selftests TARGETS=net TEST_PROGS=rtnetlink_notification.sh \ TEST_GEN_PROGS="" run_tests Cc: Maciej Żenczykowski <maze@google.com> Cc: Lorenzo Colitti <lorenzo@google.com> Signed-off-by: Yuyang Huang <yuyanghuang@google.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>