+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-27 20:32:35.354 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-27 20:32:35.591 1 INFO cinder.rpc [None req-946028cd-6d48-4719-8e1a-d307a1158c15 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-27 20:32:35.594 1 INFO cinder.rpc [None req-946028cd-6d48-4719-8e1a-d307a1158c15 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-27 20:32:35.597 1 INFO cinder.rpc [None req-946028cd-6d48-4719-8e1a-d307a1158c15 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-27 20:32:35.599 1 INFO cinder.rpc [None req-946028cd-6d48-4719-8e1a-d307a1158c15 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-27 20:32:35.607 1 INFO cinder.rpc [None req-946028cd-6d48-4719-8e1a-d307a1158c15 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-27 20:32:35.610 1 INFO cinder.rpc [None req-946028cd-6d48-4719-8e1a-d307a1158c15 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-27 20:32:35.660 1 WARNING oslo_config.cfg [None req-946028cd-6d48-4719-8e1a-d307a1158c15 - - - - - -] 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 20:32:35.661 1 WARNING oslo_config.cfg [None req-946028cd-6d48-4719-8e1a-d307a1158c15 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-27 20:32:35.672 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-27 20:32:35.692 1 INFO cinder.backup.manager [None req-255a230f-94e9-4bc0-b06f-7ccff63f6868 - - - - - -] Cleaning up incomplete backup operations.
2026-07-27 20:32:35.834 1 INFO cinder.keymgr.migration [None req-77a03a22-9046-4bb8-b78b-d9fc5273ce7e - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.