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2017-03-14 05:22:34 -0500 commented question Openstack Mitaka configuring DVR

I think it is normal. qrouter namespace is created at where it's port(connected to router) exists. you would better to see what happen when you create more vms.

2016-12-27 01:17:20 -0500 received badge  Enthusiast
2016-12-22 03:12:37 -0500 answered a question SNAT DVR not working, missing iptables rules?

Did you set agent_mode to "dvr_snat" in neutron-l3-agent.ini file on network-node? read this :

'dvr_snat' - this enables centralized SNAT support in conjunction with DVR. This mode must be used for an L3 agent running on a centralized node (or in single-host deployments, e.g. devstack)

2016-12-05 03:09:53 -0500 answered a question WARNING stevedore.named [req-11821da7-e1f5-46de-92a8-e93536819f8d - - - - -] Could not load neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

That looks like error on load plugin class file. You should check that the class file exists on on system.

ex) /usr/lib/python2.x/dist-packages/neutron/agent/linux/iptables_firewall.py

2016-12-05 03:09:53 -0500 answered a question mitaka nova error too many connection mysql

You could set "max_connections" on my.cnf configure file. like this:

[mysqld]
...
max_connections = 4096
...