+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-12 11:52:53.445 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-12 11:52:53.713 1 INFO cinder.rpc [None req-dd4721ed-78b9-4a9e-a71f-61cd4888d73d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-12 11:52:53.717 1 INFO cinder.rpc [None req-dd4721ed-78b9-4a9e-a71f-61cd4888d73d - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-05-12 11:52:53.720 1 INFO cinder.rpc [None req-dd4721ed-78b9-4a9e-a71f-61cd4888d73d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-12 11:52:53.723 1 INFO cinder.rpc [None req-dd4721ed-78b9-4a9e-a71f-61cd4888d73d - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-12 11:52:53.727 1 INFO cinder.rpc [None req-dd4721ed-78b9-4a9e-a71f-61cd4888d73d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-12 11:52:53.731 1 INFO cinder.rpc [None req-dd4721ed-78b9-4a9e-a71f-61cd4888d73d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-12 11:52:53.785 1 WARNING oslo_config.cfg [None req-dd4721ed-78b9-4a9e-a71f-61cd4888d73d - - - - - -] 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.
2026-05-12 11:52:53.786 1 WARNING oslo_config.cfg [None req-dd4721ed-78b9-4a9e-a71f-61cd4888d73d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-12 11:52:53.797 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-05-12 11:52:53.816 1 INFO cinder.backup.manager [None req-2f456dd3-5f87-446b-98b0-a90efc9c7fb1 - - - - - -] Cleaning up incomplete backup operations.
2026-05-12 11:52:54.000 1 INFO cinder.keymgr.migration [None req-8902d306-4297-450a-b6cc-7ce95ef1cdea - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.