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Subject[PATCH] selftests: net: fix "from" match test in
Fix the IPv4 address of the dummy0 interface and ensure that ip_forward
is enabled in the network space to get a valid response when checking
for routes between the gateway and other hosts.

Signed-off-by: Marcelo Henrique Cerri <>
tools/testing/selftests/net/ | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/net/ b/tools/testing/selftests/net/
index d4cfb6a7a086..552a9784e759 100755
--- a/tools/testing/selftests/net/
+++ b/tools/testing/selftests/net/
@@ -54,9 +54,11 @@ setup()

$IP link add dummy0 type dummy
$IP link set dev dummy0 up
- $IP address add dev dummy0
+ $IP address add dev dummy0
$IP -6 address add 2001:db8:1::1/64 dev dummy0

+ ip netns exec testns sysctl -w net.ipv4.ip_forward=1
set +e

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