+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-07 16:31:31.951 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-07 16:31:32.227 1 INFO cinder.rpc [None req-252361e3-f890-4267-b371-41c5632948bd - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-07 16:31:32.230 1 INFO cinder.rpc [None req-252361e3-f890-4267-b371-41c5632948bd - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-07 16:31:32.232 1 INFO cinder.rpc [None req-252361e3-f890-4267-b371-41c5632948bd - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-07 16:31:32.234 1 INFO cinder.rpc [None req-252361e3-f890-4267-b371-41c5632948bd - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-07 16:31:32.237 1 INFO cinder.rpc [None req-252361e3-f890-4267-b371-41c5632948bd - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-07 16:31:32.242 1 INFO cinder.rpc [None req-252361e3-f890-4267-b371-41c5632948bd - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-07 16:31:32.303 1 WARNING oslo_config.cfg [None req-252361e3-f890-4267-b371-41c5632948bd - - - - - -] 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.
2026-07-07 16:31:32.305 1 WARNING oslo_config.cfg [None req-252361e3-f890-4267-b371-41c5632948bd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-07 16:31:32.315 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1)
2026-07-07 16:31:32.338 1 INFO cinder.backup.manager [None req-45bac09b-5abe-4b92-9029-e6e6675bdb59 - - - - - -] Cleaning up incomplete backup operations.
2026-07-07 16:31:32.402 1 INFO cinder.keymgr.migration [None req-d6fc9b22-64f6-4410-be77-1144d151caad - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.