+ _(L2_EMULATION, "l2-emulation") \
+ _(GBP_LEARN, "gbp-learn-l2") \
+ _(GBP_NULL_CLASSIFY, "gbp-null-classify") \
+ _(GBP_SRC_CLASSIFY, "gbp-src-classify") \
+ _(GBP_LPM_CLASSIFY, "l2-gbp-lpm-classify") \
+ _(GBP_SCLASS_2_ID, "l2-gbp-sclass-2-id") \