+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-10-10 10:55:50.635 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-10-10 10:55:50.910 1 INFO cinder.rpc [None req-38168c00-d13e-4209-8cf7-f69fec4f4618 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-10-10 10:55:50.916 1 INFO cinder.rpc [None req-38168c00-d13e-4209-8cf7-f69fec4f4618 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-10-10 10:55:50.919 1 INFO cinder.rpc [None req-38168c00-d13e-4209-8cf7-f69fec4f4618 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-10-10 10:55:50.921 1 INFO cinder.rpc [None req-38168c00-d13e-4209-8cf7-f69fec4f4618 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-10-10 10:55:50.923 1 INFO cinder.rpc [None req-38168c00-d13e-4209-8cf7-f69fec4f4618 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-10-10 10:55:50.926 1 INFO cinder.rpc [None req-38168c00-d13e-4209-8cf7-f69fec4f4618 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-10-10 10:55:51.003 1 WARNING oslo_config.cfg [None req-38168c00-d13e-4209-8cf7-f69fec4f4618 - - - - - -] 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.
2026-10-10 10:55:51.004 1 WARNING oslo_config.cfg [None req-38168c00-d13e-4209-8cf7-f69fec4f4618 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-10-10 10:55:51.012 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-10-10 10:55:51.036 1 INFO cinder.backup.manager [None req-40654593-0989-4766-969e-629a1aa3efda - - - - - -] Cleaning up incomplete backup operations.
2026-10-10 10:55:51.083 1 INFO cinder.keymgr.migration [None req-97756e70-36a7-47d0-a65b-33d2e25e0ad0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.