+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-13 18:52:53.626 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-13 18:52:53.900 1 INFO cinder.rpc [None req-05d9fd11-c7a6-42f6-b1a6-ea69f3a41934 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-13 18:52:53.903 1 INFO cinder.rpc [None req-05d9fd11-c7a6-42f6-b1a6-ea69f3a41934 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-13 18:52:53.905 1 INFO cinder.rpc [None req-05d9fd11-c7a6-42f6-b1a6-ea69f3a41934 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-13 18:52:53.908 1 INFO cinder.rpc [None req-05d9fd11-c7a6-42f6-b1a6-ea69f3a41934 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-13 18:52:53.910 1 INFO cinder.rpc [None req-05d9fd11-c7a6-42f6-b1a6-ea69f3a41934 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-13 18:52:53.913 1 INFO cinder.rpc [None req-05d9fd11-c7a6-42f6-b1a6-ea69f3a41934 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-13 18:52:53.993 1 WARNING oslo_config.cfg [None req-05d9fd11-c7a6-42f6-b1a6-ea69f3a41934 - - - - - -] 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.
2026-08-13 18:52:53.994 1 WARNING oslo_config.cfg [None req-05d9fd11-c7a6-42f6-b1a6-ea69f3a41934 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-13 18:52:54.002 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-13 18:52:54.026 1 INFO cinder.backup.manager [None req-32064912-99a4-4b3e-9783-559a0553dcbc - - - - - -] Cleaning up incomplete backup operations.
2026-08-13 18:52:54.068 1 INFO cinder.keymgr.migration [None req-f4cd9632-12ca-4fe3-b17a-43d8f2a29d13 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.