Value,Description,Reference
0x01,MT-bit,[RFC4915]
0x02,E-bit,[RFC2328]
0x04,MC-bit,[RFC1584][RFC5110]
0x08,N/P-bit,[RFC3101]
0x10,L-bit,[RFC5613]
0x20,DC-bit,[RFC1793]
0x40,O-bit,[RFC5250]
0x80,DN-bit,[RFC4576]