release: '6.0'
build_id: 2014-12-09_19-59-53
build_number: '48'

[root@node-6 ~]# nova flavor-key m1.tiny set hw:watchdog_action=reset
[root@node-6 ~]# nova boot --image TestVM --nic net-id=08bb98bc-4a0c-4826-9806-7d41da375cee --flavor m1.tiny test2
[root@node-6 ~]# nova show test2 | egrep 'status|network'
| net04 network                        | 192.168.111.11                                           |
| status                               | ACTIVE

[root@node-6 ~]# ip netns exec qdhcp-08bb98bc-4a0c-4826-9806-7d41da375cee ping -qnc 3 192.168.111.11
PING 192.168.111.11 (192.168.111.11) 56(84) bytes of data.

--- 192.168.111.11 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2004ms
rtt min/avg/max/mdev = 1.020/3.569/8.639/3.585 ms

----
release: 5.1.1
build_id: 2014-11-23_21-01-00
build_number: '34'

[root@node-2 ~]# nova flavor-key m1.tiny set hw:watchdog_action=reset
[root@node-2 ~]# nova boot --image TestVM --nic net-id=07434cbc-5a17-4da4-87e0-353236dcb1c6  --flavor m1.tiny test1

[root@node-2 ~]# nova list
+--------------------------------------+-------+--------+------------+-------------+---------------------+
| ID                                   | Name  | Status | Task State | Power State | Networks            |
+--------------------------------------+-------+--------+------------+-------------+---------------------+
| dda82d82-e884-4b1c-8e4c-13b6ee2faff7 | test1 | ACTIVE | -          | Running     | net04=192.168.111.8 |
+--------------------------------------+-------+--------+------------+-------------+---------------------+

[root@node-2 ~]# ip netns exec qdhcp-07434cbc-5a17-4da4-87e0-353236dcb1c6 ping -qnc 3 192.168.111.8
PING 192.168.111.8 (192.168.111.8) 56(84) bytes of data.

--- 192.168.111.8 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 0.913/1.731/3.141/1.001 ms