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+---
+features:
+ - |
+ Add support for cold migration over ssh.
+
+ This enables nova cold migration.
+
+ This also switches to SSH as the default transport for live-migration.
+ The tripleo-common mistral action that generates passwords supplies the
+ MigrationSshKey parameter that enables this.
+deprecations:
+ - |
+ The TCP transport is no longer used for live-migration and the firewall
+ port has been closed.