make -C tools/testing/selftests TARGETS="net" TEST_PROGS=busy_poll_test.shh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-1/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net'
TAP version 13
1..1
# timeout set to 3600
# selftests: net: busy_poll_test.sh
# 52.71 [+52.71] 2025/04/08 16:09:37 socat[10592] E write(8, 0x565529ed5000, 8192): Connection reset by peer
# 52.74 [+0.03] md5sum mismatch
# 52.74 [+0.00] input file md5sum: 140938543b155eef31d1e2e18b9f17b8
# 52.74 [+0.00] output file md5sum: d41d8cd98f00b204e9800998ecf8427e
# 52.75 [+0.01] test_busypoll failed
not ok 1 selftests: net: busy_poll_test.sh # exit=1
make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-1/tools/testing/selftests'
xx__-> echo $?
0
xx__->