$ pg_ctl -w -D ~/pgdata/9.6-pgaudit/ start
waiting for server to start....LOG:  detect duplicate field setting "class"in rule section, overwritten by "read"
LOG:  detect duplicate field setting "database"in rule section, overwritten by "test"
LOG:  detect duplicate field setting "class"in rule section, overwritten by "write"
LOG:  detect duplicate field setting "object_name"in rule section, overwritten by "public.foo"
LOG:  detect duplicate field setting "database"in rule section, overwritten by "bad"
LOG:  detect duplicate field setting "class"in rule section, overwritten by "write"
LOG:  detect duplicate field setting "object_name"in rule section, overwritten by "public.bar"
LOG:  log_catalog = 1
LOG:  log_level_string = (null)
LOG:  log_level = 15
LOG:  log_parameter = 0
LOG:  log_statement_once = 0
LOG:  log_for_test = 0
LOG:  role =
LOG:  logger = serverlog
LOG:  facility = (null)
LOG:  priority = (null)
LOG:  ident = (null)
LOG:  option = (null)
LOG:  pathlog = (null)
LOG:  Rule 0
LOG:      STR database = bad
LOG:      BMP class = 256
LOG:      STR object_name = public.bar
LOG:  pgaudit extension initialized
LOG:  database system was shut down at 2017-03-09 15:36:17 JST
LOG:  MultiXact member wraparound protections are now enabled
LOG:  database system is ready to accept connections
LOG:  autovacuum launcher started
LOG:  connection received: host=[local]
LOG:  connection authorized: user=nuko database=postgres