while [ 1 ]; do date; time curl https://containers-api.ng.bluemix.net/v3/containers/version; sleep 1; done
command="curl https://containers-api.ng.bluemix.net/v3/containers/version"
command="time curl localhost:8081/v3/containers/version"
NOW=$(date +%s); while true; do $command; NOW2=$(date +%s);echo $(($NOW2-$NOW)); sleep 2; done