M_MPLSLABELED
KKASSERT(m->m_flags & M_MPLSLABELED);
m->m_flags |= M_MPLSLABELED;
if (m->m_flags & M_MPLSLABELED)
KKASSERT(m->m_flags & M_MPLSLABELED);
m->m_flags &= ~M_MPLSLABELED;
m->m_flags |= M_MPLSLABELED;
KKASSERT(m->m_flags & M_MPLSLABELED);
M_VLANTAG|M_MPLSLABELED | \