+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-01 07:50:31.696 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-01 07:50:31.931 1 INFO cinder.rpc [None req-15188501-ddb5-475c-985f-870439fe7286 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-01 07:50:31.934 1 INFO cinder.rpc [None req-15188501-ddb5-475c-985f-870439fe7286 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-01 07:50:31.937 1 INFO cinder.rpc [None req-15188501-ddb5-475c-985f-870439fe7286 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-01 07:50:31.939 1 INFO cinder.rpc [None req-15188501-ddb5-475c-985f-870439fe7286 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-01 07:50:31.943 1 INFO cinder.rpc [None req-15188501-ddb5-475c-985f-870439fe7286 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-01 07:50:31.948 1 INFO cinder.rpc [None req-15188501-ddb5-475c-985f-870439fe7286 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-01 07:50:32.031 1 WARNING oslo_config.cfg [None req-15188501-ddb5-475c-985f-870439fe7286 - - - - - -] 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.
2026-07-01 07:50:32.033 1 WARNING oslo_config.cfg [None req-15188501-ddb5-475c-985f-870439fe7286 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-01 07:50:32.044 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-01 07:50:32.063 1 INFO cinder.backup.manager [None req-2b709671-4a0c-4337-9fb8-9952d69c3593 - - - - - -] Cleaning up incomplete backup operations.
2026-07-01 07:50:32.191 1 INFO cinder.keymgr.migration [None req-0abe8709-94db-40b5-85e7-edac78866d37 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.