+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-15 22:51:56.461 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-15 22:51:56.668 1 INFO cinder.rpc [None req-8a751476-99cd-477e-b0bd-14f08e008546 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-15 22:51:56.672 1 INFO cinder.rpc [None req-8a751476-99cd-477e-b0bd-14f08e008546 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-15 22:51:56.675 1 INFO cinder.rpc [None req-8a751476-99cd-477e-b0bd-14f08e008546 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-15 22:51:56.678 1 INFO cinder.rpc [None req-8a751476-99cd-477e-b0bd-14f08e008546 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-15 22:51:56.681 1 INFO cinder.rpc [None req-8a751476-99cd-477e-b0bd-14f08e008546 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-15 22:51:56.686 1 INFO cinder.rpc [None req-8a751476-99cd-477e-b0bd-14f08e008546 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-15 22:51:56.748 1 WARNING oslo_config.cfg [None req-8a751476-99cd-477e-b0bd-14f08e008546 - - - - - -] 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.
2026-09-15 22:51:56.749 1 WARNING oslo_config.cfg [None req-8a751476-99cd-477e-b0bd-14f08e008546 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-15 22:51:56.760 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-15 22:51:56.779 1 INFO cinder.backup.manager [None req-bf718c73-da0a-4c63-9dd4-742db99d6728 - - - - - -] Cleaning up incomplete backup operations.
2026-09-15 22:51:56.921 1 INFO cinder.keymgr.migration [None req-fe4247c2-22e3-479d-9e99-c9200535962e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.