A string of five bits corresponding to the Flags field
(see Table 57-3) in the most recently transmitted OAMPDU.
The first bit corresponds to the Link Fault bit in the
Flags field. The second bit corresponds to the Dying Gasp
bit in the Flags field. The third bit corresponds to the
Critical Event bit in the Flags field. The fourth bit
corresponds to the Remote Stable bit in the Flags field.
The fifth bit corresponds to the Local Stable bit in the
Flags field.