On Thu, Aug 24, 2023 at 09:57:15PM +0800, Zhengchao Shao wrote:
If failed to set link1_1 to netns client, we should delete link1_1 in the cleanup path. But if set link1_1 to netns client successfully, delete link1_1 will report warning. So it will be safer creating directly the devices in the target namespaces.
Reported-by: Hangbin Liu liuhangbin@gmail.com Closes: https://lore.kernel.org/all/ZNyJx1HtXaUzOkNA@Laptop-X1/ Signed-off-by: Zhengchao Shao shaozhengchao@huawei.com
v2: create directly devices in the target namespaces
.../drivers/net/bonding/bond-arp-interval-causes-panic.sh | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh index 7b2d421f09cf..fe7c34f89fc7 100755 --- a/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh +++ b/tools/testing/selftests/drivers/net/bonding/bond-arp-interval-causes-panic.sh @@ -22,14 +22,12 @@ server_ip4=192.168.1.254 echo 180 >/proc/sys/kernel/panic # build namespaces -ip link add dev link1_1 type veth peer name link1_2
ip netns add "server" -ip link set dev link1_2 netns server up name eth0 +ip netns add "client" +ip link add dev eth0 netns client type veth peer name eth0 netns server
When we already have an eth0 interface on init net, this cmd will failed
# ip link add dev eth0 netns client type veth peer name eth0 netns server RTNETLINK answers: File exists
You should create the eth0 in the namespace, e.g.
# ip -n client link add eth0 type veth peer name eth0 netns server
Thanks Hangbin