+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-23 19:08:29.821 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-23 19:08:30.058 1 INFO cinder.rpc [None req-bc289be6-3c73-4cdb-b500-702c44b0c51f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-23 19:08:30.065 1 INFO cinder.rpc [None req-bc289be6-3c73-4cdb-b500-702c44b0c51f - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-06-23 19:08:30.069 1 INFO cinder.rpc [None req-bc289be6-3c73-4cdb-b500-702c44b0c51f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-23 19:08:30.074 1 INFO cinder.rpc [None req-bc289be6-3c73-4cdb-b500-702c44b0c51f - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-06-23 19:08:30.080 1 INFO cinder.rpc [None req-bc289be6-3c73-4cdb-b500-702c44b0c51f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-23 19:08:30.083 1 INFO cinder.rpc [None req-bc289be6-3c73-4cdb-b500-702c44b0c51f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-23 19:08:30.132 1 WARNING oslo_config.cfg [None req-bc289be6-3c73-4cdb-b500-702c44b0c51f - - - - - -] 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.
2026-06-23 19:08:30.133 1 WARNING oslo_config.cfg [None req-bc289be6-3c73-4cdb-b500-702c44b0c51f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-23 19:08:30.147 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-06-23 19:08:30.166 1 INFO cinder.backup.manager [None req-69dc973e-30d1-45d2-8796-63c9e2b256da - - - - - -] Cleaning up incomplete backup operations.
2026-06-23 19:08:30.298 1 INFO cinder.keymgr.migration [None req-e3fd9771-3255-4877-ad1d-668490bd77be - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.