+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-12 20:24:01.723 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-12 20:24:01.964 1 INFO cinder.rpc [None req-1a120e6b-dad1-41b1-b8ef-dab11a58070d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-12 20:24:01.967 1 INFO cinder.rpc [None req-1a120e6b-dad1-41b1-b8ef-dab11a58070d - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-05-12 20:24:01.970 1 INFO cinder.rpc [None req-1a120e6b-dad1-41b1-b8ef-dab11a58070d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-12 20:24:01.973 1 INFO cinder.rpc [None req-1a120e6b-dad1-41b1-b8ef-dab11a58070d - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-12 20:24:01.976 1 INFO cinder.rpc [None req-1a120e6b-dad1-41b1-b8ef-dab11a58070d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-12 20:24:01.981 1 INFO cinder.rpc [None req-1a120e6b-dad1-41b1-b8ef-dab11a58070d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-12 20:24:02.036 1 WARNING oslo_config.cfg [None req-1a120e6b-dad1-41b1-b8ef-dab11a58070d - - - - - -] 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.
2026-05-12 20:24:02.037 1 WARNING oslo_config.cfg [None req-1a120e6b-dad1-41b1-b8ef-dab11a58070d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-12 20:24:02.052 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-05-12 20:24:02.071 1 INFO cinder.backup.manager [None req-f7525e9f-1b98-4019-a8a1-47ef95a258c1 - - - - - -] Cleaning up incomplete backup operations.
2026-05-12 20:24:02.198 1 INFO cinder.keymgr.migration [None req-32ecac43-23bb-449b-9f42-0a9a316922c4 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.