+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-10 14:18:59.680 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-10 14:18:59.910 1 INFO cinder.rpc [None req-a73c9939-364d-4d52-82ae-28099e1c4bcd - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-10 14:18:59.913 1 INFO cinder.rpc [None req-a73c9939-364d-4d52-82ae-28099e1c4bcd - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-04-10 14:18:59.916 1 INFO cinder.rpc [None req-a73c9939-364d-4d52-82ae-28099e1c4bcd - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-10 14:18:59.919 1 INFO cinder.rpc [None req-a73c9939-364d-4d52-82ae-28099e1c4bcd - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-04-10 14:18:59.923 1 INFO cinder.rpc [None req-a73c9939-364d-4d52-82ae-28099e1c4bcd - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-10 14:18:59.926 1 INFO cinder.rpc [None req-a73c9939-364d-4d52-82ae-28099e1c4bcd - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-10 14:18:59.982 1 WARNING oslo_config.cfg [None req-a73c9939-364d-4d52-82ae-28099e1c4bcd - - - - - -] 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.
2026-04-10 14:18:59.983 1 WARNING oslo_config.cfg [None req-a73c9939-364d-4d52-82ae-28099e1c4bcd - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-10 14:18:59.994 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-04-10 14:19:00.012 1 INFO cinder.backup.manager [None req-97d15946-e180-4c1f-9eae-d86cb2c9df23 - - - - - -] Cleaning up incomplete backup operations.
2026-04-10 14:19:00.151 1 INFO cinder.keymgr.migration [None req-5e8c03d5-8198-492e-9705-b1d386952bfd - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.