Github user remibergsma commented on the pull request:
https://github.com/apache/cloudstack/pull/872#issuecomment-170360605
What could have caused the "error" is that it actually timed out. The
script that was suppose to start the connection was hanging:
```
root 3237 0.0 3.6 42100 9208 ? Ss 14:00 0:00
/usr/bin/python /opt/cloud/bin/update_config.py site_2_site_vpn.json
root 3279 0.0 0.0 0 0 ? Z 14:00 0:00 [sh]
<defunct>
root 3280 0.0 0.6 33564 1584 ? S 14:00 0:00 sudo nohup
ipsec up vpn-192.168.23.54
root 3281 0.0 0.2 4180 580 ? S 14:00 0:00 /bin/sh
/usr/sbin/ipsec up vpn-192.168.23.54
root 3283 0.0 0.2 12708 508 ? S 14:00 0:00
/usr/lib/ipsec/whack --name vpn-192.168.23.54 --initiate
```
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