make -C tools/testing/selftests TARGETS="drivers/net/hw" TEST_PROGS=nic_liink_layer.py TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-22/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw'
make[1]: Entering directory '/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw'
TAP version 13
1..1
# overriding timeout to 90
# selftests: drivers/net/hw: nic_link_layer.py
# Warning: file nic_link_layer.py is not executable
# Traceback (most recent call last):
#   File "/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw/./nic_link_layer.py", line 113, in <module>
#     main()
#   File "/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw/./nic_link_layer.py", line 106, in main
#     with NetDrvEpEnv(__file__, nsim_test=False) as cfg:
#   File "/home/virtme/testing-22/tools/testing/selftests/drivers/net/lib/py/env.py", line 134, in __init__
#     raise KsftXfailEx("Test does not work on netdevsim")
# net.lib.py.ksft.KsftXfailEx: Test does not work on netdevsim
not ok 1 selftests: drivers/net/hw: nic_link_layer.py # exit=1
make[1]: Leaving directory '/home/virtme/testing-22/tools/testing/selftests/drivers/net/hw'
make: Leaving directory '/home/virtme/testing-22/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
[?2004hxx__->