+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-22 15:05:34.742 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-22 15:05:34.967 1 INFO cinder.rpc [None req-ade400f7-670a-4c4f-beb9-405a5302cfaf - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-22 15:05:34.973 1 INFO cinder.rpc [None req-ade400f7-670a-4c4f-beb9-405a5302cfaf - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-08-22 15:05:34.979 1 INFO cinder.rpc [None req-ade400f7-670a-4c4f-beb9-405a5302cfaf - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-22 15:05:34.983 1 INFO cinder.rpc [None req-ade400f7-670a-4c4f-beb9-405a5302cfaf - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-08-22 15:05:34.987 1 INFO cinder.rpc [None req-ade400f7-670a-4c4f-beb9-405a5302cfaf - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-22 15:05:34.992 1 INFO cinder.rpc [None req-ade400f7-670a-4c4f-beb9-405a5302cfaf - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-22 15:05:35.054 1 WARNING oslo_config.cfg [None req-ade400f7-670a-4c4f-beb9-405a5302cfaf - - - - - -] 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.
2026-08-22 15:05:35.055 1 WARNING oslo_config.cfg [None req-ade400f7-670a-4c4f-beb9-405a5302cfaf - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-22 15:05:35.069 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-08-22 15:05:35.090 1 INFO cinder.backup.manager [None req-7e88b1db-a681-435a-9ece-27caa014a071 - - - - - -] Cleaning up incomplete backup operations.
2026-08-22 15:05:35.345 1 INFO cinder.keymgr.migration [None req-fa4c6cd7-e1d4-4fdb-a2af-41a669cceca0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.