====== Checking before the patch ======
 ====== Checking the tree with the patch ======
tools/testing/selftests/net/act_nat_icmp_csum.sh is a new file, but not shellcheck compliant
New errors added
--- /tmp/tmp.vpMq3thEyj	2026-04-04 08:27:06.711372784 -0400
+++ /tmp/tmp.v0WslV46rZ	2026-04-04 08:27:07.041370219 -0400
@@ -0,0 +1,108 @@
+
+In act_nat_icmp_csum.sh line 33:
+	cleanup_ns $NS1 $NS2
+                   ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+	cleanup_ns "$NS1" "$NS2"
+
+
+In act_nat_icmp_csum.sh line 45:
+ip -netns $NS1 link add veth0 type veth peer name veth0 netns $NS2
+          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+                                                              ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip -netns "$NS1" link add veth0 type veth peer name veth0 netns "$NS2"
+
+
+In act_nat_icmp_csum.sh line 46:
+ip -netns $NS1 link set dev veth0 up
+          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip -netns "$NS1" link set dev veth0 up
+
+
+In act_nat_icmp_csum.sh line 47:
+ip -netns $NS2 link set dev veth0 up
+          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip -netns "$NS2" link set dev veth0 up
+
+
+In act_nat_icmp_csum.sh line 49:
+ip -netns $NS1 addr add 10.0.1.1/24 dev veth0
+          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip -netns "$NS1" addr add 10.0.1.1/24 dev veth0
+
+
+In act_nat_icmp_csum.sh line 50:
+ip -netns $NS2 addr add 10.0.2.1/24 dev veth0
+          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip -netns "$NS2" addr add 10.0.2.1/24 dev veth0
+
+
+In act_nat_icmp_csum.sh line 52:
+ip netns exec $NS2 sysctl -qw net.ipv4.ip_forward=1
+              ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip netns exec "$NS2" sysctl -qw net.ipv4.ip_forward=1
+
+
+In act_nat_icmp_csum.sh line 53:
+ip netns exec $NS2 sysctl -qw net.ipv4.icmp_ratelimit=0
+              ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip netns exec "$NS2" sysctl -qw net.ipv4.icmp_ratelimit=0
+
+
+In act_nat_icmp_csum.sh line 55:
+ip -netns $NS1 route add 10.0.2.0/24 dev veth0
+          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip -netns "$NS1" route add 10.0.2.0/24 dev veth0
+
+
+In act_nat_icmp_csum.sh line 58:
+ip netns exec $NS1 tc qdisc add dev veth0 clsact
+              ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip netns exec "$NS1" tc qdisc add dev veth0 clsact
+
+
+In act_nat_icmp_csum.sh line 61:
+ip netns exec $NS1 tc filter add dev veth0 egress protocol ip prio 1 \
+              ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip netns exec "$NS1" tc filter add dev veth0 egress protocol ip prio 1 \
+
+
+In act_nat_icmp_csum.sh line 66:
+ip netns exec $NS1 tc filter add dev veth0 ingress protocol ip prio 1 \
+              ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip netns exec "$NS1" tc filter add dev veth0 ingress protocol ip prio 1 \
+
+
+In act_nat_icmp_csum.sh line 71:
+ip netns exec $NS1 python3 "$(dirname "$0")/act_nat_icmp_csum_verify.py"
+              ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
+
+Did you mean:
+ip netns exec "$NS1" python3 "$(dirname "$0")/act_nat_icmp_csum_verify.py"
+
+For more information:
+  https://www.shellcheck.net/wiki/SC2086 -- Double quote to prevent globbing ...