+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-07-02 11:38:15.672 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-07-02 11:38:15.922 1 INFO cinder.rpc [None req-900e71df-9e3e-40a4-ade2-43d1729ed989 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-07-02 11:38:15.925 1 INFO cinder.rpc [None req-900e71df-9e3e-40a4-ade2-43d1729ed989 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-07-02 11:38:15.929 1 INFO cinder.rpc [None req-900e71df-9e3e-40a4-ade2-43d1729ed989 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-07-02 11:38:15.932 1 INFO cinder.rpc [None req-900e71df-9e3e-40a4-ade2-43d1729ed989 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-07-02 11:38:15.934 1 INFO cinder.rpc [None req-900e71df-9e3e-40a4-ade2-43d1729ed989 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-07-02 11:38:15.937 1 INFO cinder.rpc [None req-900e71df-9e3e-40a4-ade2-43d1729ed989 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-07-02 11:38:15.993 1 WARNING oslo_config.cfg [None req-900e71df-9e3e-40a4-ade2-43d1729ed989 - - - - - -] 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.
2026-07-02 11:38:15.994 1 WARNING oslo_config.cfg [None req-900e71df-9e3e-40a4-ade2-43d1729ed989 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-07-02 11:38:16.006 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-07-02 11:38:16.038 1 INFO cinder.backup.manager [None req-19cd9da0-db18-489a-8bb4-30bc74736624 - - - - - -] Cleaning up incomplete backup operations.
2026-07-02 11:38:16.199 1 INFO cinder.keymgr.migration [None req-013c93d3-a9df-42e6-aafd-1f57945ff0ae - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.