[IOS-XE] Parser for "show mka statistics" does not work

[ChristopherJHart]

Sample CLI output:

R2#show mka statistics           

MKA Global Statistics
=====================
MKA Session Totals
   Secured.................... 2
   Fallback Secured........... 0
   Reauthentication Attempts.. 0

   Deleted (Secured).......... 0
   Keepalive Timeouts......... 0

CA Statistics
   Pairwise CAKs Derived...... 0
   Pairwise CAK Rekeys........ 0
   Group CAKs Generated....... 0
   Group CAKs Received........ 0

SA Statistics
   SAKs Generated............. 1
   SAKs Rekeyed............... 0
   SAKs Received.............. 1
   SAK Responses Received..... 1

MKPDU Statistics
   MKPDUs Validated & Rx...... 501325
      "Distributed SAK"..... 1
      "Distributed CAK"..... 0
   MKPDUs Transmitted......... 543079
      "Distributed SAK"..... 1
      "Distributed CAK"..... 0

MKA Error Counter Totals
========================
Session Failures
   Bring-up Failures................ 0
   Reauthentication Failures........ 0
   Duplicate Auth-Mgr Handle........ 0

SAK Failures
   SAK Generation................... 0
   Hash Key Generation.............. 0
   SAK Encryption/Wrap.............. 0
   SAK Decryption/Unwrap............ 0
   SAK Cipher Mismatch.............. 0

CA Failures
   Group CAK Generation............. 0
   Group CAK Encryption/Wrap........ 0
   Group CAK Decryption/Unwrap...... 0
   Pairwise CAK Derivation.......... 0
   CKN Derivation................... 0
   ICK Derivation................... 0
   KEK Derivation................... 0
   Invalid Peer MACsec Capability... 0

MACsec Failures
   Rx SC Creation................... 0
   Tx SC Creation................... 0
   Rx SA Installation............... 0
   Tx SA Installation............... 0

Traceback:

2024-04-29T13:13:31: %SCRIPT-ERROR: Traceback (most recent call last):
2024-04-29T13:13:31: %SCRIPT-ERROR:   File "/Users/chart2/Documents/Python/genieparser/src/genie/libs/parser/utils/unittests.py", line 580, in test_golden
2024-04-29T13:13:31: %SCRIPT-ERROR:     parsed_output = obj.parse(**arguments)
2024-04-29T13:13:31: %SCRIPT-ERROR:                     ^^^^^^^^^^^^^^^^^^^^^^
2024-04-29T13:13:31: %SCRIPT-ERROR:   File "src/genie/metaparser/_metaparser.py", line 342, in genie.metaparser._metaparser.MetaParser.parse
2024-04-29T13:13:31: %SCRIPT-ERROR:   File "src/genie/metaparser/_metaparser.py", line 322, in genie.metaparser._metaparser.MetaParser.parse
2024-04-29T13:13:31: %SCRIPT-ERROR:   File "src/genie/metaparser/util/schemaengine.py", line 419, in genie.metaparser.util.schemaengine.Schema.validate
2024-04-29T13:13:31: %SCRIPT-ERROR: genie.metaparser.util.exceptions.SchemaMissingKeyError: Missing keys: [['mka-error-counters', 'mkpdu-failures']]