remove secgroup rule won't cut off existed connections

[stanzgy]

remove secgroup rule won't cut off existed connections.
e.g.
1. add a secgroup rule that allow tcp 22 port
2. establish an ssh via 22 port
3. remove the secgroup rule that allow tcp 22 port
4. the established ssh connection won't cut off after removing the rule

[Akash Gangil (akashg1611)]

Duplicate bug:

https://bugs.launchpad.net/neutron/+bug/1335375

[Akash Gangil (akashg1611)]

^ Sorry that was in neutron but they have the same problem there.

[Sean Dague (sdague)]

This is unlikely to be addressed in Nova network ever.