selftests: pmtu: Drop prints to kernel log from pmtu_vti6_link_change_mtu

Reported-by: David Ahern <dsahern@gmail.com>
Fixes: 1fad59ea1c34 ("selftests: pmtu: Add pmtu_vti6_link_change_mtu test")
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/pmtu.sh b/tools/testing/selftests/net/pmtu.sh
index 92197c05bac4f9871e282fdd742dc551e462411b..1e428781a625b88b23105c4142223a7211399846 100755 (executable)
--- a/tools/testing/selftests/net/pmtu.sh
+++ b/tools/testing/selftests/net/pmtu.sh
@@ -421,7 +421,6 @@ test_pmtu_vti6_link_change_mtu() {
 
        # Move to another device with different MTU, without passing MTU, check
        # MTU is adjusted
-       echo "${ns_a} ip link set vti6_a type vti6 remote ${dummy6_1_addr} local ${dummy6_1_addr}" > /dev/kmsg
        ${ns_a} ip link set vti6_a type vti6 remote ${dummy6_1_addr} local ${dummy6_1_addr}
        mtu="$(link_get_mtu "${ns_a}" vti6_a)"
        if [ ${mtu} -ne $((3000 - 40)) ]; then
@@ -430,7 +429,6 @@ test_pmtu_vti6_link_change_mtu() {
        fi
 
        # Move it back, passing MTU, check MTU is not overridden
-       echo "${ns_a} ip link set vti6_a mtu 1280 type vti6 remote ${dummy6_0_addr} local ${dummy6_0_addr}" > /dev/kmsg
        ${ns_a} ip link set vti6_a mtu 1280 type vti6 remote ${dummy6_0_addr} local ${dummy6_0_addr}
        mtu="$(link_get_mtu "${ns_a}" vti6_a)"
        if [ ${mtu} -ne 1280 ]; then