+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-22 22:34:56.777 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-22 22:34:57.025 1 INFO cinder.rpc [None req-a6be975d-b582-4f22-8bed-cb91da08db21 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-22 22:34:57.028 1 INFO cinder.rpc [None req-a6be975d-b582-4f22-8bed-cb91da08db21 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-22 22:34:57.031 1 INFO cinder.rpc [None req-a6be975d-b582-4f22-8bed-cb91da08db21 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-22 22:34:57.034 1 INFO cinder.rpc [None req-a6be975d-b582-4f22-8bed-cb91da08db21 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-22 22:34:57.038 1 INFO cinder.rpc [None req-a6be975d-b582-4f22-8bed-cb91da08db21 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-22 22:34:57.042 1 INFO cinder.rpc [None req-a6be975d-b582-4f22-8bed-cb91da08db21 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-22 22:34:57.102 1 WARNING oslo_config.cfg [None req-a6be975d-b582-4f22-8bed-cb91da08db21 - - - - - -] 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.
2026-07-22 22:34:57.105 1 WARNING oslo_config.cfg [None req-a6be975d-b582-4f22-8bed-cb91da08db21 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-22 22:34:57.126 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-22 22:34:57.153 1 INFO cinder.backup.manager [None req-1c52316f-52a1-4c69-af86-efc0d254aa07 - - - - - -] Cleaning up incomplete backup operations.
2026-07-22 22:34:57.300 1 INFO cinder.keymgr.migration [None req-5b68b7ba-4672-4fbf-9a96-00613dc74b23 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.