make -C tools/testing/selftests TARGETS="net" TEST_PROGS=netns-sysctl.sh TTEST_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' CC ncdevmem [01m[Kncdevmem.c:34:10:[m[K [01;31m[Kfatal error: [m[Knetdev-user.h: No such file or directory 34 | #include [01;31m[K"netdev-user.h"[m[K | [01;31m[K^~~~~~~~~~~~~~~[m[K compilation terminated. make[1]: *** [../lib.mk:211: /home/virtme/testing-1/tools/testing/selftests/net/ncdevmem] Error 1 make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net' make: *** [Makefile:192: all] Error 2 make: Leaving directory '/home/virtme/testing-1/tools/testing/selftests' xx__-> echo $? 2 xx__->