make -C tools/testing/selftests TARGETS="net" TEST_PROGS=ip6_gre_headroom..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: ip6_gre_headroom.sh
# Error: Unknown device type.
# Error: Unknown device type.
# Cannot find device "h1"
# Cannot find device "h1"
# Error: Unknown device type.
# Error: argument "vh3" is wrong: Device does not exist
# 
# Cannot find device "vh3"
# Cannot find device "h3"
# Cannot find device "swp3"
# Cannot find device "swp3"
# Cannot find device "swp3"
# Cannot find device "swp1"
# Cannot find device "swp1"
# Error: Unknown device type.
# Cannot find device "er6"
# Error: Unknown device type.
# Cannot find device "gt6"
# Cannot find device "swp1"
# Cannot find device "swp1"
# TEST: ip6gretap headroom                                            [PASS]
# Cannot find device "swp1"
# Cannot find device "swp1"
# TEST: ip6erspan headroom                                            [PASS]
# Cannot find device "gt6"
# Cannot find device "er6"
# Cannot find device "swp1"
# Cannot find device "swp3"
# Cannot find device "vh3"
ok 1 selftests: net: ip6_gre_headroom.sh
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__->