make -C tools/testing/selftests TARGETS="net" TEST_PROGS=ioam6.sh TEST_GENN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# overriding timeout to 7200
# selftests: net: ioam6.sh
# Error: Unknown device type.
# Cannot find device "veth0"
# Cannot find device "veth1"
# RTNETLINK answers: No such file or directory
# Error talking to the kernel
# RTNETLINK answers: No such file or directory
# Error talking to the kernel
# SKIP: kernel version probably too old, missing ioam support
ok 1 selftests: net: ioam6.sh # SKIP
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->