+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-12 11:30:37.581 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-12 11:30:37.873 1 INFO cinder.rpc [None req-0525dd29-dcab-459d-b1f6-c7fa84c5a665 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-12 11:30:37.876 1 INFO cinder.rpc [None req-0525dd29-dcab-459d-b1f6-c7fa84c5a665 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-12 11:30:37.879 1 INFO cinder.rpc [None req-0525dd29-dcab-459d-b1f6-c7fa84c5a665 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-12 11:30:37.883 1 INFO cinder.rpc [None req-0525dd29-dcab-459d-b1f6-c7fa84c5a665 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-12 11:30:37.886 1 INFO cinder.rpc [None req-0525dd29-dcab-459d-b1f6-c7fa84c5a665 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-12 11:30:37.889 1 INFO cinder.rpc [None req-0525dd29-dcab-459d-b1f6-c7fa84c5a665 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-12 11:30:37.961 1 WARNING oslo_config.cfg [None req-0525dd29-dcab-459d-b1f6-c7fa84c5a665 - - - - - -] 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.
2026-08-12 11:30:37.963 1 WARNING oslo_config.cfg [None req-0525dd29-dcab-459d-b1f6-c7fa84c5a665 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-12 11:30:37.973 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-12 11:30:38.005 1 INFO cinder.backup.manager [None req-9d386ff9-2121-46d1-b5bd-48409c0206f2 - - - - - -] Cleaning up incomplete backup operations.
2026-08-12 11:30:38.068 1 INFO cinder.keymgr.migration [None req-a9856844-49e1-4400-a934-3d6b9f08a2e1 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.