+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 15:00:54.254 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 15:00:54.479 1 INFO cinder.rpc [None req-a0321fac-e121-48d5-b86f-dedd1dfe4fb2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 15:00:54.482 1 INFO cinder.rpc [None req-a0321fac-e121-48d5-b86f-dedd1dfe4fb2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-22 15:00:54.484 1 INFO cinder.rpc [None req-a0321fac-e121-48d5-b86f-dedd1dfe4fb2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 15:00:54.486 1 INFO cinder.rpc [None req-a0321fac-e121-48d5-b86f-dedd1dfe4fb2 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-22 15:00:54.489 1 INFO cinder.rpc [None req-a0321fac-e121-48d5-b86f-dedd1dfe4fb2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 15:00:54.492 1 INFO cinder.rpc [None req-a0321fac-e121-48d5-b86f-dedd1dfe4fb2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 15:00:54.686 1 WARNING oslo_config.cfg [None req-a0321fac-e121-48d5-b86f-dedd1dfe4fb2 - - - - - -] 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.
2026-08-22 15:00:54.687 1 WARNING oslo_config.cfg [None req-a0321fac-e121-48d5-b86f-dedd1dfe4fb2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 15:00:54.698 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0)
2026-08-22 15:00:54.717 1 INFO cinder.backup.manager [None req-ea7e7be5-ce88-4737-b71d-1827712ced5b - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 15:00:54.787 1 INFO cinder.keymgr.migration [None req-25437adf-66c6-489c-8455-da43813d1800 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.