make -C tools/testing/selftests TARGETS="net" TEST_PROGS=cmsg_ipv6.sh TESTT_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       udpgso
/bin/ld: cannot find ../../../net/ynl/lib/ynl.a: No such file or directory
/bin/ld: cannot find ../../../net/ynl/generated/protos.a: No such file or directory
collect2: error: ld returned 1 exit status
make[1]: *** [../lib.mk:211: /home/virtme/testing-1/tools/testing/selftests/net/udpgso] 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__->