+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-27 20:32:10.830 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-27 20:32:11.108 1 INFO cinder.rpc [None req-092b9a65-8587-45bc-b57b-48fcea9ada6b - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-27 20:32:11.110 1 INFO cinder.rpc [None req-092b9a65-8587-45bc-b57b-48fcea9ada6b - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-07-27 20:32:11.113 1 INFO cinder.rpc [None req-092b9a65-8587-45bc-b57b-48fcea9ada6b - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-27 20:32:11.115 1 INFO cinder.rpc [None req-092b9a65-8587-45bc-b57b-48fcea9ada6b - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-07-27 20:32:11.117 1 INFO cinder.rpc [None req-092b9a65-8587-45bc-b57b-48fcea9ada6b - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-27 20:32:11.119 1 INFO cinder.rpc [None req-092b9a65-8587-45bc-b57b-48fcea9ada6b - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-27 20:32:11.180 1 WARNING oslo_config.cfg [None req-092b9a65-8587-45bc-b57b-48fcea9ada6b - - - - - -] 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.
2026-07-27 20:32:11.181 1 WARNING oslo_config.cfg [None req-092b9a65-8587-45bc-b57b-48fcea9ada6b - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-27 20:32:11.190 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-07-27 20:32:11.214 1 INFO cinder.backup.manager [None req-f08e3056-52c9-4f95-9f3c-471746a8231f - - - - - -] Cleaning up incomplete backup operations.
2026-07-27 20:32:11.251 1 INFO cinder.keymgr.migration [None req-58937d54-7ed7-4d73-a11f-0b78f86f53b6 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.