M_FLAG_BITS
i, m, m->m_len, m->m_flags, M_FLAG_BITS, m->m_data);
i, m->m_pkthdr.len, m->m_flags, M_FLAG_BITS,
M_FLAG_BITS \
M_FLAG_BITS \
#define M_FLAG_PRINTF (M_FLAG_BITS M_FLAG_PROTOBITS)