+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-02-26 16:52:45.452 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-02-26 16:52:45.732 1 INFO cinder.rpc [None req-d7b05207-3c81-48e1-87c7-7ca8bdf32db2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-02-26 16:52:45.735 1 INFO cinder.rpc [None req-d7b05207-3c81-48e1-87c7-7ca8bdf32db2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-02-26 16:52:45.737 1 INFO cinder.rpc [None req-d7b05207-3c81-48e1-87c7-7ca8bdf32db2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-02-26 16:52:45.739 1 INFO cinder.rpc [None req-d7b05207-3c81-48e1-87c7-7ca8bdf32db2 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-02-26 16:52:45.742 1 INFO cinder.rpc [None req-d7b05207-3c81-48e1-87c7-7ca8bdf32db2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-02-26 16:52:45.747 1 INFO cinder.rpc [None req-d7b05207-3c81-48e1-87c7-7ca8bdf32db2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-02-26 16:52:45.812 1 WARNING oslo_config.cfg [None req-d7b05207-3c81-48e1-87c7-7ca8bdf32db2 - - - - - -] 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.
2026-02-26 16:52:45.814 1 WARNING oslo_config.cfg [None req-d7b05207-3c81-48e1-87c7-7ca8bdf32db2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-02-26 16:52:45.823 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-02-26 16:52:45.848 1 INFO cinder.backup.manager [None req-772a40cc-637c-4a1a-9c3a-5bd81fa27cae - - - - - -] Cleaning up incomplete backup operations.
2026-02-26 16:52:45.908 1 INFO cinder.keymgr.migration [None req-9bfd5d67-3cf8-4a74-8891-bfcbb2f954c3 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.