+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-18 05:57:07.510 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-18 05:57:07.794 1 INFO cinder.rpc [None req-72262ff6-95f8-4f46-a829-313c7453ce1f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-18 05:57:07.796 1 INFO cinder.rpc [None req-72262ff6-95f8-4f46-a829-313c7453ce1f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-18 05:57:07.799 1 INFO cinder.rpc [None req-72262ff6-95f8-4f46-a829-313c7453ce1f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-18 05:57:07.801 1 INFO cinder.rpc [None req-72262ff6-95f8-4f46-a829-313c7453ce1f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-18 05:57:07.803 1 INFO cinder.rpc [None req-72262ff6-95f8-4f46-a829-313c7453ce1f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-18 05:57:07.806 1 INFO cinder.rpc [None req-72262ff6-95f8-4f46-a829-313c7453ce1f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-18 05:57:07.876 1 WARNING oslo_config.cfg [None req-72262ff6-95f8-4f46-a829-313c7453ce1f - - - - - -] 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.
2026-09-18 05:57:07.877 1 WARNING oslo_config.cfg [None req-72262ff6-95f8-4f46-a829-313c7453ce1f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-18 05:57:07.885 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-18 05:57:07.910 1 INFO cinder.backup.manager [None req-4f31a642-28c8-41ca-97a1-57fe5f1fecb4 - - - - - -] Cleaning up incomplete backup operations.
2026-09-18 05:57:07.961 1 INFO cinder.keymgr.migration [None req-6add0666-90ce-400b-995b-0e608392f7d7 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.