Symptom:
Enhancement request to rate-limit the logs reported via CSCug86296.  See 'de_discussion' attachment.

Current logs and rate when issue is encountered:
Sep  4 03:26:44.336: SW2_DFC4: Warning: Uncorrectable Parity error is seen in the Netflow Table.
                        If any error is seen in Netflow flow creation or Netflow Data
                        export, it is advised to reboot the card in a maintenance window
Sep  4 03:26:44.352: SW2_DFC4: Warning: Uncorrectable Parity error is seen in the Netflow Table.
                        If any error is seen in Netflow flow creation or Netflow Data
                        export, it is advised to reboot the card in a maintenance window
Sep  4 03:26:44.376: %EARL-SW2_DFC4-1-EXCESSIVE_PARITY_ERROR: EARL 0: Parity error detected in VRAM
Sep  4 03:26:44.376: SW2_DFC4: Warning: Uncorrectable Parity error is seen in the Netflow Table.
                        If any error is seen in Netflow flow creation or Netflow Data
                        export, it is advised to reboot the card in a maintenance window
Sep  4 03:26:44.396: SW2_DFC4: Warning: Uncorrectable Parity error is seen in the Netflow Table.
                        If any error is seen in Netflow flow creation or Netflow Data
                        export, it is advised to reboot the card in a maintenance window
Sep  4 03:26:44.420: SW2_DFC4: Warning: Uncorrectable Parity error is seen in the Netflow Table.

Conditions:
n/a