+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-20 04:29:22.537 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-20 04:29:22.809 1 INFO cinder.rpc [None req-fdefea29-baf6-4822-a4a7-d8c32bf76fec - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-20 04:29:22.811 1 INFO cinder.rpc [None req-fdefea29-baf6-4822-a4a7-d8c32bf76fec - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-20 04:29:22.814 1 INFO cinder.rpc [None req-fdefea29-baf6-4822-a4a7-d8c32bf76fec - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-20 04:29:22.816 1 INFO cinder.rpc [None req-fdefea29-baf6-4822-a4a7-d8c32bf76fec - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-05-20 04:29:22.820 1 INFO cinder.rpc [None req-fdefea29-baf6-4822-a4a7-d8c32bf76fec - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-20 04:29:22.823 1 INFO cinder.rpc [None req-fdefea29-baf6-4822-a4a7-d8c32bf76fec - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-20 04:29:22.902 1 WARNING oslo_config.cfg [None req-fdefea29-baf6-4822-a4a7-d8c32bf76fec - - - - - -] 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.
2026-05-20 04:29:22.903 1 WARNING oslo_config.cfg [None req-fdefea29-baf6-4822-a4a7-d8c32bf76fec - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-20 04:29:22.914 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-05-20 04:29:22.939 1 INFO cinder.backup.manager [None req-b5f9e7aa-90d5-4abf-a50b-73d6af63a16e - - - - - -] Cleaning up incomplete backup operations.
2026-05-20 04:29:22.996 1 INFO cinder.keymgr.migration [None req-7624ee1a-9de8-466e-a22b-22cf32583052 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.