Config file not found, using default configs.
2018-07-12 08:00:05.056 20018 ERROR keystone.common.token_utils [-] Either [fernet_tokens] key_repository does not exist or Keystone does not have sufficient permission to access it: /etc/keystone/fernet-keys/
2018-07-12 09:00:03.494 4892 INFO keystone.common.token_utils [-] Starting key rotation with 2 key files: ['/var/lib/keystone/fernet-keys/0', '/var/lib/keystone/fernet-keys/1']
2018-07-12 09:00:03.504 4892 INFO keystone.common.token_utils [-] Created a new temporary key: /var/lib/keystone/fernet-keys/0.tmp
2018-07-12 09:00:03.505 4892 INFO keystone.common.token_utils [-] Current primary key is: 1
2018-07-12 09:00:03.505 4892 INFO keystone.common.token_utils [-] Next primary key will be: 2
2018-07-12 09:00:03.516 4892 INFO keystone.common.token_utils [-] Promoted key 0 to be the primary: 2
2018-07-12 09:00:03.527 4892 INFO keystone.common.token_utils [-] Become a valid new key: /var/lib/keystone/fernet-keys/0
