cloudsuite websearch gets stuck on ubuntu1604

I recently tried running cloudsuite websearch on ubuntu1604 image(--image_project=ubuntu-os-cloud
--image=ubuntu-1604-xenial-v20161020) with default setups. It gets stuck when running the benchmark and I have to manually kill it.

2017-04-10 16:25:26,499 0c110d68 MainThread cloudsuite_web_search(1/1) pkb.py:422 INFO Running benchmark cloudsuite_web_search
2017-04-10 16:25:26,500 0c110d68 MainThread cloudsuite_web_search(1/1) vm_util.py:284 DEBUG Environment variables: None
2017-04-10 16:25:26,500 0c110d68 MainThread cloudsuite_web_search(1/1) vm_util.py:287 INFO Running: ssh -A -p 22 perfkit@104.197.10.98 -2 -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentitiesOnly=yes -o PreferredAuthentications=publickey -o PasswordAuthentication=no -o ConnectTimeout=5 -o GSSAPIAuthentication=no -o ServerAliveInterval=30 -o ServerAliveCountMax=10 -i /tmp/perfkitbenchmarker/runs/0c110d68/perfkitbenchmarker_keyfile sudo docker run --rm --net host --name client cloudsuite/web-search:client 10.128.0.3 50 90 60 60
(manually killed it after 30 minutes no response)
2017-04-10 17:58:18,009 0c110d68 MainThread cloudsuite_web_search(1/1) pkb.py:530 ERROR Error during benchmark cloudsuite_web_search
......
KeyboardInterrupt