+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-15 01:40:33.121 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-15 01:40:33.423 1 INFO cinder.rpc [None req-2f0db41e-2b79-4851-863b-dd0abdc55023 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-15 01:40:33.425 1 INFO cinder.rpc [None req-2f0db41e-2b79-4851-863b-dd0abdc55023 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-04-15 01:40:33.428 1 INFO cinder.rpc [None req-2f0db41e-2b79-4851-863b-dd0abdc55023 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-15 01:40:33.430 1 INFO cinder.rpc [None req-2f0db41e-2b79-4851-863b-dd0abdc55023 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-04-15 01:40:33.433 1 INFO cinder.rpc [None req-2f0db41e-2b79-4851-863b-dd0abdc55023 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-15 01:40:33.435 1 INFO cinder.rpc [None req-2f0db41e-2b79-4851-863b-dd0abdc55023 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-15 01:40:33.493 1 WARNING oslo_config.cfg [None req-2f0db41e-2b79-4851-863b-dd0abdc55023 - - - - - -] 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.
2026-04-15 01:40:33.494 1 WARNING oslo_config.cfg [None req-2f0db41e-2b79-4851-863b-dd0abdc55023 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-15 01:40:33.502 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0)
2026-04-15 01:40:33.527 1 INFO cinder.backup.manager [None req-aaacd69c-7dc9-45b4-9e63-7b5286cef115 - - - - - -] Cleaning up incomplete backup operations.
2026-04-15 01:40:33.581 1 INFO cinder.keymgr.migration [None req-a8a0960b-073a-4c95-bf09-11a211342f04 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.