NG_L2CAP_OPT_FLUSH_TIMO_SIZE
if (hdr->length != NG_L2CAP_OPT_FLUSH_TIMO_SIZE ||
m_copydata(m, *off, NG_L2CAP_OPT_FLUSH_TIMO_SIZE, val);
*off += NG_L2CAP_OPT_FLUSH_TIMO_SIZE;