+ # Blacklisting certain tags per topology.
+ #
+ # Reasons for blacklisting:
+ # - avf - AVF is not possible to run on enic driver of VirtualBox.
+ # - vhost - VirtualBox does not support nesting virtualization on Intel CPU.
+ case "${TEST_CODE}" in
+ *"1n-vbox"*)
+ test_tag_array+=("!avf")
+ test_tag_array+=("!vhost")
+ ;;
+ *)
+ ;;
+ esac
+