+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-25 09:02:39.598 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-25 09:02:39.914 1 INFO cinder.rpc [None req-88607fa3-602f-4dd4-bc10-67f76e6291a3 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-25 09:02:39.922 1 INFO cinder.rpc [None req-88607fa3-602f-4dd4-bc10-67f76e6291a3 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-25 09:02:39.926 1 INFO cinder.rpc [None req-88607fa3-602f-4dd4-bc10-67f76e6291a3 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-25 09:02:39.929 1 INFO cinder.rpc [None req-88607fa3-602f-4dd4-bc10-67f76e6291a3 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-25 09:02:39.932 1 INFO cinder.rpc [None req-88607fa3-602f-4dd4-bc10-67f76e6291a3 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-25 09:02:39.934 1 INFO cinder.rpc [None req-88607fa3-602f-4dd4-bc10-67f76e6291a3 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-25 09:02:40.011 1 WARNING oslo_config.cfg [None req-88607fa3-602f-4dd4-bc10-67f76e6291a3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated for removal (The auth_uri option is deprecated in favor of www_authenticate_uri and will be removed in the S  release.).  Its value may be silently ignored in the future.
2026-04-25 09:02:40.012 1 WARNING oslo_config.cfg [None req-88607fa3-602f-4dd4-bc10-67f76e6291a3 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-25 09:02:40.022 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-25 09:02:40.050 1 INFO cinder.backup.manager [None req-46053089-b2a5-4a5b-8bad-cb144a88cd11 - - - - - -] Cleaning up incomplete backup operations.
2026-04-25 09:02:40.103 1 INFO cinder.keymgr.migration [None req-07d2d241-6d34-460b-ad03-6a31b2146b07 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.