+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-01 19:01:59.339 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-01 19:01:59.605 1 INFO cinder.rpc [None req-a3c63ade-0939-4796-a6bd-92c35556cd26 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-01 19:01:59.608 1 INFO cinder.rpc [None req-a3c63ade-0939-4796-a6bd-92c35556cd26 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-01 19:01:59.610 1 INFO cinder.rpc [None req-a3c63ade-0939-4796-a6bd-92c35556cd26 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-01 19:01:59.612 1 INFO cinder.rpc [None req-a3c63ade-0939-4796-a6bd-92c35556cd26 - - - - - -] Automatically selected cinder-volume RPC version 3.19 as minimum service version.
2026-09-01 19:01:59.615 1 INFO cinder.rpc [None req-a3c63ade-0939-4796-a6bd-92c35556cd26 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-01 19:01:59.618 1 INFO cinder.rpc [None req-a3c63ade-0939-4796-a6bd-92c35556cd26 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-01 19:01:59.672 1 WARNING oslo_config.cfg [None req-a3c63ade-0939-4796-a6bd-92c35556cd26 - - - - - -] 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.
2026-09-01 19:01:59.673 1 WARNING oslo_config.cfg [None req-a3c63ade-0939-4796-a6bd-92c35556cd26 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-01 19:01:59.682 1 INFO cinder.service [-] Starting cinder-backup node (version 24.5.5)
2026-09-01 19:01:59.700 1 INFO cinder.backup.manager [None req-5d02d353-fda8-450a-87fd-1060771f5c04 - - - - - -] Cleaning up incomplete backup operations.
2026-09-01 19:01:59.750 1 INFO cinder.keymgr.migration [None req-7f4c3c14-244e-4fb7-b4c3-9dae39f37093 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.