On 9/21/21 8:59 AM, Jiri Benc wrote: > The 'arp' command is deprecated and is another dependency of the selftest. > Just use 'ip neigh', the test depends on iproute2 already. > > Signed-off-by: Jiri Benc <jbenc@xxxxxxxxxx> > --- > tools/testing/selftests/bpf/test_tunnel.sh | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/bpf/test_tunnel.sh b/tools/testing/selftests/bpf/test_tunnel.sh > index 1ccbe804e8e1..ca1372924023 100755 > --- a/tools/testing/selftests/bpf/test_tunnel.sh > +++ b/tools/testing/selftests/bpf/test_tunnel.sh > @@ -168,14 +168,15 @@ add_vxlan_tunnel() > ip netns exec at_ns0 \ > ip link set dev $DEV_NS address 52:54:00:d9:01:00 up > ip netns exec at_ns0 ip addr add dev $DEV_NS 10.1.1.100/24 > - ip netns exec at_ns0 arp -s 10.1.1.200 52:54:00:d9:02:00 > + ip netns exec at_ns0 \ > + ip neigh add 10.1.1.200 lladdr 52:54:00:d9:02:00 dev $DEV_NS I realize you are just following suit with this change, but ip can change namespaces internally: ip -netns at_ns0 neigh add 10.1.1.200 lladdr 52:54:00:d9:02:00 dev $DEV_NS All of the 'ip netns exec ... ip ...' commands can be simplified. > ip netns exec at_ns0 iptables -A OUTPUT -j MARK --set-mark 0x800FF > > # root namespace > ip link add dev $DEV type $TYPE external gbp dstport 4789 > ip link set dev $DEV address 52:54:00:d9:02:00 up > ip addr add dev $DEV 10.1.1.200/24 > - arp -s 10.1.1.100 52:54:00:d9:01:00 > + ip neigh add 10.1.1.100 lladdr 52:54:00:d9:01:00 dev $DEV > } > > add_ip6vxlan_tunnel() >