if (!(exp)) { \
rte_panic("function %s, line%d\tassert \"" #exp "\" failed\n", \
__func__, __LINE__); \
}
#else
#define IP_FRAG_LOG(lvl, fmt, args...) do {} while(0)
if (!(exp)) { \
rte_panic("function %s, line%d\tassert \"" #exp "\" failed\n", \
__func__, __LINE__); \
}
#else
#define IP_FRAG_LOG(lvl, fmt, args...) do {} while(0)