sonic-buildimage/platform/vs/docker-syncd-vs/supervisord.conf

[supervisord]
logfile_maxbytes=1MB
logfile_backups=2
nodaemon=true

[eventlistener:dependent-startup]
command=python -m supervisord_dependent_startup
autostart=true
autorestart=unexpected
startretries=0
exitcodes=0,3
events=PROCESS_STATE

[eventlistener:supervisor-proc-exit-listener]
command=/usr/bin/supervisor-proc-exit-listener --container-name syncd
events=PROCESS_STATE_EXITED
autostart=true
autorestart=unexpected

[program:rsyslogd]
command=/usr/sbin/rsyslogd -n -iNONE
priority=1
autostart=false
autorestart=unexpected
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true

[program:start]
command=/usr/bin/start.sh
priority=2
autostart=false
autorestart=false
startsecs=0
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=rsyslogd:running

[program:syncd]
command=/usr/bin/syncd_start.sh
priority=3
autostart=false
autorestart=false
stdout_logfile=syslog
stderr_logfile=syslog
dependent_startup=true
dependent_startup_wait_for=start:exited