universal forwarder:  scripts docker_service.sh contains invalid commands

I am pulling  splunk/universalforwarder:7.0.0-monitor

and this is the content of the docker_service.sh script (the docker service ls command at the end of the file)

---------
#!/bin/bash

DOCKER_BIN=$(dirname "$0")/docker
"$DOCKER_BIN" service ls  \
  | tail -n +2 \
  | sed -e "s/,/ /g" \
  | sed -E "s/\s\s+/,/g"


  docker service ls | tail -n +2 | sed -e "s/ /,/g"

----------
