+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-19 20:58:22.924 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-19 20:58:23.230 1 INFO cinder.rpc [None req-015946e3-1b41-4dd1-80b4-69ae406f8068 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-19 20:58:23.233 1 INFO cinder.rpc [None req-015946e3-1b41-4dd1-80b4-69ae406f8068 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-19 20:58:23.235 1 INFO cinder.rpc [None req-015946e3-1b41-4dd1-80b4-69ae406f8068 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-19 20:58:23.238 1 INFO cinder.rpc [None req-015946e3-1b41-4dd1-80b4-69ae406f8068 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-19 20:58:23.240 1 INFO cinder.rpc [None req-015946e3-1b41-4dd1-80b4-69ae406f8068 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-19 20:58:23.243 1 INFO cinder.rpc [None req-015946e3-1b41-4dd1-80b4-69ae406f8068 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-19 20:58:23.307 1 WARNING oslo_config.cfg [None req-015946e3-1b41-4dd1-80b4-69ae406f8068 - - - - - -] 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.
2026-08-19 20:58:23.308 1 WARNING oslo_config.cfg [None req-015946e3-1b41-4dd1-80b4-69ae406f8068 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-19 20:58:23.318 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-19 20:58:23.343 1 INFO cinder.backup.manager [None req-01cf060d-2fef-4875-aa53-f3d9d91a4f2c - - - - - -] Cleaning up incomplete backup operations.
2026-08-19 20:58:23.382 1 INFO cinder.keymgr.migration [None req-8de17e10-b026-49f2-83b7-d3aec36d5547 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.