+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-02-27 21:25:57.822 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-02-27 21:25:58.067 1 INFO cinder.rpc [None req-0ec292a1-1cad-4fac-9d34-7d2e656ac7ce - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-02-27 21:25:58.070 1 INFO cinder.rpc [None req-0ec292a1-1cad-4fac-9d34-7d2e656ac7ce - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-02-27 21:25:58.073 1 INFO cinder.rpc [None req-0ec292a1-1cad-4fac-9d34-7d2e656ac7ce - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-02-27 21:25:58.075 1 INFO cinder.rpc [None req-0ec292a1-1cad-4fac-9d34-7d2e656ac7ce - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-02-27 21:25:58.078 1 INFO cinder.rpc [None req-0ec292a1-1cad-4fac-9d34-7d2e656ac7ce - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-02-27 21:25:58.082 1 INFO cinder.rpc [None req-0ec292a1-1cad-4fac-9d34-7d2e656ac7ce - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-02-27 21:25:58.142 1 WARNING oslo_config.cfg [None req-0ec292a1-1cad-4fac-9d34-7d2e656ac7ce - - - - - -] 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.
2026-02-27 21:25:58.144 1 WARNING oslo_config.cfg [None req-0ec292a1-1cad-4fac-9d34-7d2e656ac7ce - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-02-27 21:25:58.156 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-02-27 21:25:58.176 1 INFO cinder.backup.manager [None req-7e8db635-d83a-4a82-82e6-d06f5857a62f - - - - - -] Cleaning up incomplete backup operations.
2026-02-27 21:25:58.363 1 INFO cinder.keymgr.migration [None req-42b09c63-6752-4c39-bd69-81c478e1e65b - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.