+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-18 15:39:39.746 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-18 15:39:39.979 1 INFO cinder.rpc [None req-3b9f0b5f-00dd-411a-8b7f-5926bfd3cea4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-18 15:39:39.983 1 INFO cinder.rpc [None req-3b9f0b5f-00dd-411a-8b7f-5926bfd3cea4 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-06-18 15:39:39.986 1 INFO cinder.rpc [None req-3b9f0b5f-00dd-411a-8b7f-5926bfd3cea4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-18 15:39:39.989 1 INFO cinder.rpc [None req-3b9f0b5f-00dd-411a-8b7f-5926bfd3cea4 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-06-18 15:39:39.993 1 INFO cinder.rpc [None req-3b9f0b5f-00dd-411a-8b7f-5926bfd3cea4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-18 15:39:39.997 1 INFO cinder.rpc [None req-3b9f0b5f-00dd-411a-8b7f-5926bfd3cea4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-18 15:39:40.060 1 WARNING oslo_config.cfg [None req-3b9f0b5f-00dd-411a-8b7f-5926bfd3cea4 - - - - - -] 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.
2026-06-18 15:39:40.061 1 WARNING oslo_config.cfg [None req-3b9f0b5f-00dd-411a-8b7f-5926bfd3cea4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-18 15:39:40.073 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-06-18 15:39:40.094 1 INFO cinder.backup.manager [None req-0a283bb7-2334-4ba1-bad3-b12c3a2d7571 - - - - - -] Cleaning up incomplete backup operations.
2026-06-18 15:39:40.231 1 INFO cinder.keymgr.migration [None req-d0e55081-997a-4280-a02e-657a6e9b49bb - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.