PIPEX_PPPMINLEN
if ((m0->m_pkthdr.len < hlen + PIPEX_PPPMINLEN) ||
(plen < PIPEX_PPPMINLEN)) {
if (m0->m_pkthdr.len < PIPEX_PPPMINLEN)
KASSERT(m0->m_pkthdr.len >= PIPEX_PPPMINLEN);