+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-06-23 19:08:15.713 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-06-23 19:08:15.943 1 INFO cinder.rpc [None req-65437959-85c3-4902-b44e-018aeb48e84f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-06-23 19:08:15.946 1 INFO cinder.rpc [None req-65437959-85c3-4902-b44e-018aeb48e84f - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-06-23 19:08:15.949 1 INFO cinder.rpc [None req-65437959-85c3-4902-b44e-018aeb48e84f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-06-23 19:08:15.953 1 INFO cinder.rpc [None req-65437959-85c3-4902-b44e-018aeb48e84f - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-06-23 19:08:15.957 1 INFO cinder.rpc [None req-65437959-85c3-4902-b44e-018aeb48e84f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-06-23 19:08:15.962 1 INFO cinder.rpc [None req-65437959-85c3-4902-b44e-018aeb48e84f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-06-23 19:08:16.019 1 WARNING oslo_config.cfg [None req-65437959-85c3-4902-b44e-018aeb48e84f - - - - - -] 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 19:08:16.020 1 WARNING oslo_config.cfg [None req-65437959-85c3-4902-b44e-018aeb48e84f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-06-23 19:08:16.033 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-06-23 19:08:16.051 1 INFO cinder.backup.manager [None req-9a6432e4-6964-4e3d-b7b5-e19dbdc96f5e - - - - - -] Cleaning up incomplete backup operations.
2026-06-23 19:08:16.168 1 INFO cinder.keymgr.migration [None req-128e6586-d183-45d6-a52d-485f10d32d80 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.