+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-10 11:35:24.155 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-10 11:35:24.399 1 INFO cinder.rpc [None req-e712f5e3-6e74-4b64-8dd8-015afbb44955 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-10 11:35:24.402 1 INFO cinder.rpc [None req-e712f5e3-6e74-4b64-8dd8-015afbb44955 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-09-10 11:35:24.405 1 INFO cinder.rpc [None req-e712f5e3-6e74-4b64-8dd8-015afbb44955 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-10 11:35:24.407 1 INFO cinder.rpc [None req-e712f5e3-6e74-4b64-8dd8-015afbb44955 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-09-10 11:35:24.411 1 INFO cinder.rpc [None req-e712f5e3-6e74-4b64-8dd8-015afbb44955 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-10 11:35:24.414 1 INFO cinder.rpc [None req-e712f5e3-6e74-4b64-8dd8-015afbb44955 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-10 11:35:24.468 1 WARNING oslo_config.cfg [None req-e712f5e3-6e74-4b64-8dd8-015afbb44955 - - - - - -] 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.
2026-09-10 11:35:24.470 1 WARNING oslo_config.cfg [None req-e712f5e3-6e74-4b64-8dd8-015afbb44955 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-10 11:35:24.481 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.9)
2026-09-10 11:35:24.501 1 INFO cinder.backup.manager [None req-8c07fce0-f949-476e-83e6-ab25f48bf2e1 - - - - - -] Cleaning up incomplete backup operations.
2026-09-10 11:35:24.670 1 INFO cinder.keymgr.migration [None req-1991572a-8994-4ea2-ae54-43ced8d7b907 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.