New files:
tools/testing/selftests/net/ipvtap_macnat_bridge.py
tools/testing/selftests/net/ipvtap_macnat_test.sh

Modified files:
tools/testing/selftests/net/Makefile

format check ignoring tools/testing/selftests/net/ipvtap_macnat_bridge.py
format check ignoring tools/testing/selftests/net/ipvtap_macnat_test.sh
git grep ipvtap_macnat_bridge.py -- tools/testing/selftests/net/Makefile:: 0
git grep ipvtap_macnat_test.sh -- tools/testing/selftests/net/Makefile:: 0
gitignore check ignoring tools/testing/selftests/net/ipvtap_macnat_bridge.py
gitignore check ignoring tools/testing/selftests/net/ipvtap_macnat_test.sh