syslog output is JSON rather than plain text

[hmoffatt]

Bug Report

What happened

The syslog output is JSON rather than plain text. This is discussed in #3647, but that is closed without any solution to this aspect.

Jul 27 09:56:26 localhost zigbee2mqtt[8811]: {"message":"MQTT publish: topic 'homeassistant/sensor/0x00178801080bbff9/action/config', payload '{\"icon\":\"mdi:gesture-double-tap\",\"value_template\":\"{{ value_json.action }}\",\"state_topic\":\"zigbee2mqtt/0x00178801080bbff9\",\"json_attributes_topic\":\"zigbee2mqtt/0x00178801080bbff9\",\"name\":\"0x00178801080bbff9_action\",\"unique_id\":\"0x00178801080bbff9_action_zigbee2mqtt\",\"device\":{\"identifiers\":[\"zigbee2mqtt_0x00178801080bbff9\"],\"name\":\"0x00178801080bbff9\",\"sw_version\":\"Zigbee2mqtt 1.14.2\",\"model\":\"Hue dimmer switch (324131092621)\",\"manufacturer\":\"Philips\"},\"availability_topic\":\"zigbee2mqtt/0x00178801080bbff9/availability\"}'","level":"info"}

What did you expect to happen

Plain text is sent to the syslog daemon, like the console messages:

MQTT publish: topic 'zigbee2mqtt/0x00178801080bbff9/availability', payload 'online'

How to reproduce it (minimal and precise)

Configure with:

advanced:
  log_output:
    - syslog
  log_syslog:
    protocol: udp4
    port: 514
    type: bsd

Debug Info

Zigbee2mqtt version: 1.14.2

[Koenkk]

Merged, thanks!