**Phase 1: Completed pre-decoding.
       full event: 'Feb 4 10:43:02 niban sudo: dcid : TTY=pts/4 ; PWD=/home/dcid ; USER=root ; COMMAND=/bin/ls'
       hostname: 'melancia'
       program_name: '(null)'
       log: 'Feb 4 10:43:02 niban sudo: dcid : TTY=pts/4 ; PWD=/home/dcid ; USER=root ; COMMAND=/bin/ls'

**Phase 2: Completed decoding.
       No decoder matched.