@@ -96,10 +96,16 @@ do
esac
done
-ip -net nsr1 link set veth0 mtu $omtu
+if ! ip -net nsr1 link set veth0 mtu $omtu; then
+ exit 1
+fi
+
ip -net ns1 link set eth0 mtu $omtu
-ip -net nsr2 link set veth1 mtu $rmtu
+if ! ip -net nsr2 link set veth1 mtu $rmtu; then
+ exit 1
+fi
+
ip -net ns2 link set eth0 mtu $rmtu
# transfer-net between nsr1 and nsr2.
@@ -120,7 +126,10 @@ for i in 1 2; do
ip -net ns$i route add default via 10.0.$i.1
ip -net ns$i addr add dead:$i::99/64 dev eth0
ip -net ns$i route add default via dead:$i::1
- ip netns exec ns$i sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null
+ if ! ip netns exec ns$i sysctl net.ipv4.tcp_no_metrics_save=1 > /dev/null; then
+ echo "ERROR: Check Originator/Responder values (problem during address addition)"
+ exit 1
+ fi
# don't set ip DF bit for first two tests
ip netns exec ns$i sysctl net.ipv4.ip_no_pmtu_disc=1 > /dev/null
exit script with comments when parameters are wrong during address addition. No need for a message when trying to change MTU with lower values: output is self-explanatory. Use short testing sequence to avoid shellcheck warnings (suggested by Stefano Brivio). Signed-off-by: Fabian Frederick <fabf@skynet.be> --- V2: avoid shellcheck warnings .../testing/selftests/netfilter/nft_flowtable.sh | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-)