+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-05-12 16:58:35.525 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-05-12 16:58:35.796 1 INFO cinder.rpc [None req-debdb2bb-d365-494c-bd16-fc6566855d26 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-05-12 16:58:35.798 1 INFO cinder.rpc [None req-debdb2bb-d365-494c-bd16-fc6566855d26 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-05-12 16:58:35.801 1 INFO cinder.rpc [None req-debdb2bb-d365-494c-bd16-fc6566855d26 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-05-12 16:58:35.803 1 INFO cinder.rpc [None req-debdb2bb-d365-494c-bd16-fc6566855d26 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-05-12 16:58:35.806 1 INFO cinder.rpc [None req-debdb2bb-d365-494c-bd16-fc6566855d26 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-05-12 16:58:35.810 1 INFO cinder.rpc [None req-debdb2bb-d365-494c-bd16-fc6566855d26 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-05-12 16:58:35.874 1 WARNING oslo_config.cfg [None req-debdb2bb-d365-494c-bd16-fc6566855d26 - - - - - -] 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.
2026-05-12 16:58:35.875 1 WARNING oslo_config.cfg [None req-debdb2bb-d365-494c-bd16-fc6566855d26 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-05-12 16:58:35.886 1 INFO cinder.service [-] Starting cinder-backup node (version 22.3.1)
2026-05-12 16:58:35.903 1 INFO cinder.backup.manager [None req-9d48d038-d325-4547-9fd5-dbc293aec1dd - - - - - -] Cleaning up incomplete backup operations.
2026-05-12 16:58:36.058 1 INFO cinder.keymgr.migration [None req-a1b753fe-7f5b-4526-9a42-5d8dc2da43c9 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.