make -C tools/testing/selftests TARGETS=drivers/net TEST_PROGS=ping.py TESST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-17/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-17/tools/testing/selftests/drivers/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-17/tools/testing/selftests/drivers/net'
make[1]: Entering directory '/home/virtme/testing-17/tools/testing/selftests/drivers/net'
TAP version 13
1..1
# timeout set to 45
# selftests: drivers/net: ping.py
# Traceback (most recent call last):
#   File "/home/virtme/testing-17/tools/testing/selftests/drivers/net/./ping.py", line 4, in <module>
#     from lib.py import ksft_run, ksft_exit
#   File "/home/virtme/testing-17/tools/testing/selftests/drivers/net/lib/py/__init__.py", line 5, in <module>
#     from .load import *
#   File "/home/virtme/testing-17/tools/testing/selftests/drivers/net/lib/py/load.py", line 5, in <module>
#     from lib.py import ksft_pr, cmd, ip, rand_port, wait_port_listen
# ImportError: cannot import name 'ksft_pr' from partially initialized module 'lib.py' (most likely due to a circular import) (/home/virtme/testing-17/tools/testing/selftests/drivers/net/lib/py/__init__.py)
not ok 1 selftests: drivers/net: ping.py # exit=1
make[1]: Leaving directory '/home/virtme/testing-17/tools/testing/selftests/drivers/net'
make: Leaving directory '/home/virtme/testing-17/tools/testing/selftests'
xx__-> echo $?
0
xx__->