HOWTO Reset syncd docker - Staphylo/SONiC GitHub Wiki

docker exec -it syncd bash
kill syncd process
dvs_stop.sh
exit

docker exec -it orchagent bash
killall -9 orchagent
killall -9 portsyncd
killall -9 intfsyncd
killall -9 neighsyncd
exit

service sxdkernel restart

docker exec -ti database redis-cli FLUSHALL

docker exec -it syncd bash
nohup  /usr/bin/syncd -p /etc/syncd.d/mlnx_2700.profile -N -r -m /etc/syncd.d/msn2700_port_map.ini &
exit


docker exec -it orchagent bash
nohup orchagent &
nohup portsyncd -p /etc/ssw/ACS-MSN2700/port_config.ini &
nohup intfsyncd &
nohup neighsyncd &
exit