make -C tools/testing/selftests TARGETS="drivers/net" TEST_PROGS=napi_threeaded.py TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing/wt-17/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing/wt-17/tools/testing/selftests/drivers/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing/wt-17/tools/testing/selftests/drivers/net'
make[1]: Entering directory '/home/virtme/testing/wt-17/tools/testing/selftests/net/lib'
/bin/sh: line 1: clang: command not found
  BPF_PROG xdp_dummy.bpf.o
make[1]: clang: No such file or directory
make[1]: *** [../bpf.mk:42: /home/virtme/testing/wt-17/tools/testing/selftests/net/lib/xdp_dummy.bpf.o] Error 127
make[1]: Leaving directory '/home/virtme/testing/wt-17/tools/testing/selftests/net/lib'
make[1]: Entering directory '/home/virtme/testing/wt-17/tools/testing/selftests/drivers/net'
TAP version 13
1..1
# timeout set to 180
# selftests: drivers/net: napi_threaded.py
# TAP version 13
# 1..3
# ok 1 napi_threaded.napi_init
# ok 2 napi_threaded.change_num_queues
# ok 3 napi_threaded.enable_dev_threaded_disable_napi_threaded
# # Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
ok 1 selftests: drivers/net: napi_threaded.py
make[1]: Leaving directory '/home/virtme/testing/wt-17/tools/testing/selftests/drivers/net'
make: Leaving directory '/home/virtme/testing/wt-17/tools/testing/selftests'
xx__-> echo $?
0
xx__->