make -C tools/testing/selftests TARGETS="drivers/net" TEST_PROGS=stats.py  TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-21/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-21/tools/testing/selftests/drivers/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-21/tools/testing/selftests/drivers/net'
make[1]: Entering directory '/home/virtme/testing-21/tools/testing/selftests/drivers/net'
TAP version 13
1..1
# timeout set to 180
# selftests: drivers/net: stats.py
# TAP version 13
# 1..7
# ok 1 stats.check_pause # XFAIL pause not supported by the device
# ok 2 stats.check_fec # XFAIL FEC not supported by the device
# ok 3 stats.pkt_byte_sum
# ok 4 stats.qstat_by_ifindex
# ok 5 stats.check_down
# # Check| At /home/virtme/testing-21/tools/testing/selftests/drivers/net/./stats.py, line 213, in procfs_hammer:
# # Check|     __stats_increase_sanely(rtstat1, rtstat2)
# # Check| At /home/virtme/testing-21/tools/testing/selftests/drivers/net/./stats.py, line 192, in __stats_increase_sanely:
# # Check|     ksft_lt(new[k] - old[k], 1 << 31, comment="likely wrapping error")
# # Check failed 3258377896 >= 2147483648 likely wrapping error
# not ok 6 stats.procfs_hammer
# # Check| At /home/virtme/testing-21/tools/testing/selftests/net/lib/py/ksft.py, line 169, in wrapper:
# # Check|     return func(*args, **kwargs)
# # Check| At /home/virtme/testing-21/tools/testing/selftests/drivers/net/./stats.py, line 258, in procfs_downup_hammer:
# # Check|     __stats_increase_sanely(rtstat1, rtstat2)
# # Check| At /home/virtme/testing-21/tools/testing/selftests/drivers/net/./stats.py, line 192, in __stats_increase_sanely:
# # Check|     ksft_lt(new[k] - old[k], 1 << 31, comment="likely wrapping error")
# # Check failed 8999238044 >= 2147483648 likely wrapping error
# # completed up/down cycles: 57
# not ok 7 stats.procfs_downup_hammer
# # Totals: pass:3 fail:2 xfail:2 xpass:0 skip:0 error:0
not ok 1 selftests: drivers/net: stats.py # exit=1
make[1]: Leaving directory '/home/virtme/testing-21/tools/testing/selftests/drivers/net'
make: Leaving directory '/home/virtme/testing-21/tools/testing/selftests'
xx__-> echo $?
0
xx__->