+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 16:15:01.552 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 16:15:01.818 1 INFO cinder.rpc [None req-e1949dc2-d199-44fb-8d2c-8332d523a13a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 16:15:01.821 1 INFO cinder.rpc [None req-e1949dc2-d199-44fb-8d2c-8332d523a13a - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-08 16:15:01.824 1 INFO cinder.rpc [None req-e1949dc2-d199-44fb-8d2c-8332d523a13a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 16:15:01.826 1 INFO cinder.rpc [None req-e1949dc2-d199-44fb-8d2c-8332d523a13a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-08 16:15:01.839 1 INFO cinder.rpc [None req-e1949dc2-d199-44fb-8d2c-8332d523a13a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 16:15:01.850 1 INFO cinder.rpc [None req-e1949dc2-d199-44fb-8d2c-8332d523a13a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 16:15:01.912 1 WARNING oslo_config.cfg [None req-e1949dc2-d199-44fb-8d2c-8332d523a13a - - - - - -] 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.
2026-09-08 16:15:01.913 1 WARNING oslo_config.cfg [None req-e1949dc2-d199-44fb-8d2c-8332d523a13a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 16:15:01.922 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-08 16:15:01.941 1 INFO cinder.backup.manager [None req-5eeda8d5-a092-467a-b6d9-f99d13d3bbd2 - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 16:15:02.092 1 INFO cinder.keymgr.migration [None req-55aa4396-a8bc-49c1-b64b-005440de97b3 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.