+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-24 07:38:27.654 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-24 07:38:27.950 1 INFO cinder.rpc [None req-e632cbb4-0602-4ffc-bca5-7ecededb6f0b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-24 07:38:27.952 1 INFO cinder.rpc [None req-e632cbb4-0602-4ffc-bca5-7ecededb6f0b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-24 07:38:27.955 1 INFO cinder.rpc [None req-e632cbb4-0602-4ffc-bca5-7ecededb6f0b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-24 07:38:27.957 1 INFO cinder.rpc [None req-e632cbb4-0602-4ffc-bca5-7ecededb6f0b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-24 07:38:27.960 1 INFO cinder.rpc [None req-e632cbb4-0602-4ffc-bca5-7ecededb6f0b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-24 07:38:27.970 1 INFO cinder.rpc [None req-e632cbb4-0602-4ffc-bca5-7ecededb6f0b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-24 07:38:28.063 1 WARNING oslo_config.cfg [None req-e632cbb4-0602-4ffc-bca5-7ecededb6f0b - - - - - -] 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.
2026-05-24 07:38:28.064 1 WARNING oslo_config.cfg [None req-e632cbb4-0602-4ffc-bca5-7ecededb6f0b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-24 07:38:28.074 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-24 07:38:28.103 1 INFO cinder.backup.manager [None req-d1b8cf0c-0517-4e2c-a1aa-442003262941 - - - - - -] Cleaning up incomplete backup operations.
2026-05-24 07:38:28.175 1 INFO cinder.keymgr.migration [None req-a2dfc0ff-f784-4d6f-ad28-59150d217648 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.