+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 23:21:29.773 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 23:21:30.037 1 INFO cinder.rpc [None req-69cf96c3-fb50-4af1-b87a-ac85ba8feef2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 23:21:30.040 1 INFO cinder.rpc [None req-69cf96c3-fb50-4af1-b87a-ac85ba8feef2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-08 23:21:30.042 1 INFO cinder.rpc [None req-69cf96c3-fb50-4af1-b87a-ac85ba8feef2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 23:21:30.044 1 INFO cinder.rpc [None req-69cf96c3-fb50-4af1-b87a-ac85ba8feef2 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-08 23:21:30.046 1 INFO cinder.rpc [None req-69cf96c3-fb50-4af1-b87a-ac85ba8feef2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 23:21:30.049 1 INFO cinder.rpc [None req-69cf96c3-fb50-4af1-b87a-ac85ba8feef2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 23:21:30.104 1 WARNING oslo_config.cfg [None req-69cf96c3-fb50-4af1-b87a-ac85ba8feef2 - - - - - -] 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 23:21:30.105 1 WARNING oslo_config.cfg [None req-69cf96c3-fb50-4af1-b87a-ac85ba8feef2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 23:21:30.112 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-08 23:21:30.135 1 INFO cinder.backup.manager [None req-dc662412-abe6-4b8b-9e7e-6970c52ccdc9 - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 23:21:30.172 1 INFO cinder.keymgr.migration [None req-2f1c79e7-139c-422b-8d98-c7bf86200f5a - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.