make -C tools/testing/selftests TARGETS="net" TEST_PROGS=arp_ndisc_untrackked_subnets.sh 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: arp_ndisc_untracked_subnets.sh # 1.27 [+1.27] TEST: test_arp: accept_arp=0 [ OK ] # 2.66 [+1.39] TEST: test_arp: accept_arp=1 [ OK ] # 4.04 [+1.39] TEST: test_arp: accept_arp=2 same_subnet=0 [ OK ] # 5.45 [+1.40] TEST: test_arp: accept_arp=2 same_subnet=1 [ OK ] # 5.62 [+0.17] Error: TC classifier not found. # 5.62 [+0.00] We have an error talking to the kernel not ok 1 selftests: net: arp_ndisc_untracked_subnets.sh # exit=2 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__->