[Yahoo-eng-team] [Bug 1380238] [NEW] Instances won't obtain IPv6 address if they have additional IPv4 interface

Public bug reported: Description of problem: === I booted an instance with both IPv4 and IPv6 interfaces, yet that instance did no obtain any IPv6 address. In order make sure nothing is wrong with my IPv6 configuration (which is RADVD SLAAC), I booted additional instance

[Yahoo-eng-team] [Bug 1380424] [NEW] Missing Mock in test_simple_write_freebsd

Public bug reported: When running the test suite on a Gentoo box (barebones) the following failure occurs: == FAIL: test_simple_write_freebsd (tests.unittests.test_distros.test_netconfig.TestNetCfgDistro)

[Yahoo-eng-team] [Bug 1380456] [NEW] Use 400 instead of 422 for security_groups v2 API

Public bug reported: For any invalid request format we should return 400, not 422, we should fix this case for v2 security_groups API. That is also good for sharing the unittest between v2.1 and v2. To change the API that follow the rule: https://wiki.openstack.org/wiki/APIChangeGuidelines **