+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 23:21:00.942 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 23:21:01.153 1 INFO cinder.rpc [None req-0ec1d7a6-6e71-4374-bd15-7d7e52ec8587 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 23:21:01.156 1 INFO cinder.rpc [None req-0ec1d7a6-6e71-4374-bd15-7d7e52ec8587 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-08 23:21:01.159 1 INFO cinder.rpc [None req-0ec1d7a6-6e71-4374-bd15-7d7e52ec8587 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 23:21:01.162 1 INFO cinder.rpc [None req-0ec1d7a6-6e71-4374-bd15-7d7e52ec8587 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-08 23:21:01.165 1 INFO cinder.rpc [None req-0ec1d7a6-6e71-4374-bd15-7d7e52ec8587 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 23:21:01.167 1 INFO cinder.rpc [None req-0ec1d7a6-6e71-4374-bd15-7d7e52ec8587 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 23:21:01.216 1 WARNING oslo_config.cfg [None req-0ec1d7a6-6e71-4374-bd15-7d7e52ec8587 - - - - - -] 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 23:21:01.217 1 WARNING oslo_config.cfg [None req-0ec1d7a6-6e71-4374-bd15-7d7e52ec8587 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 23:21:01.225 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-08 23:21:01.242 1 INFO cinder.backup.manager [None req-65b7514a-c4d7-428f-82a1-c7ee5120e450 - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 23:21:01.418 1 INFO cinder.keymgr.migration [None req-30b985e0-33a8-4cab-be2b-cd3185d936ce - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.