+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-16 16:46:56.547 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-16 16:46:56.824 1 INFO cinder.rpc [None req-64d08f03-ef03-4016-a5f2-d2759046ebf4 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-16 16:46:56.827 1 INFO cinder.rpc [None req-64d08f03-ef03-4016-a5f2-d2759046ebf4 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-16 16:46:56.829 1 INFO cinder.rpc [None req-64d08f03-ef03-4016-a5f2-d2759046ebf4 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-16 16:46:56.832 1 INFO cinder.rpc [None req-64d08f03-ef03-4016-a5f2-d2759046ebf4 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-16 16:46:56.835 1 INFO cinder.rpc [None req-64d08f03-ef03-4016-a5f2-d2759046ebf4 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-16 16:46:56.838 1 INFO cinder.rpc [None req-64d08f03-ef03-4016-a5f2-d2759046ebf4 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-16 16:46:56.915 1 WARNING oslo_config.cfg [None req-64d08f03-ef03-4016-a5f2-d2759046ebf4 - - - - - -] 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.
2026-04-16 16:46:56.916 1 WARNING oslo_config.cfg [None req-64d08f03-ef03-4016-a5f2-d2759046ebf4 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-16 16:46:56.924 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-16 16:46:56.950 1 INFO cinder.backup.manager [None req-908d2564-def1-459d-bff5-8cf0538ed1de - - - - - -] Cleaning up incomplete backup operations.
2026-04-16 16:46:57.014 1 INFO cinder.keymgr.migration [None req-1045fee5-f193-4d11-b0e9-112182778fd1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.