+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 23:21:43.549 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 23:21:43.754 1 INFO cinder.rpc [None req-f38bc5f7-7fdf-4b41-80f1-f0280833b066 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 23:21:43.757 1 INFO cinder.rpc [None req-f38bc5f7-7fdf-4b41-80f1-f0280833b066 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-08 23:21:43.760 1 INFO cinder.rpc [None req-f38bc5f7-7fdf-4b41-80f1-f0280833b066 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 23:21:43.762 1 INFO cinder.rpc [None req-f38bc5f7-7fdf-4b41-80f1-f0280833b066 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-08 23:21:43.774 1 INFO cinder.rpc [None req-f38bc5f7-7fdf-4b41-80f1-f0280833b066 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 23:21:43.784 1 INFO cinder.rpc [None req-f38bc5f7-7fdf-4b41-80f1-f0280833b066 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 23:21:43.883 1 WARNING oslo_config.cfg [None req-f38bc5f7-7fdf-4b41-80f1-f0280833b066 - - - - - -] 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.
2026-09-08 23:21:43.885 1 WARNING oslo_config.cfg [None req-f38bc5f7-7fdf-4b41-80f1-f0280833b066 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 23:21:43.899 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-08 23:21:43.923 1 INFO cinder.backup.manager [None req-b05f8be2-b102-4c90-981f-3dc7b3275a1e - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 23:21:44.085 1 INFO cinder.keymgr.migration [None req-1de06f61-6a60-4aff-a5b6-261fbaad133d - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.