+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-09-08 23:27:59.973 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-09-08 23:28:00.235 1 INFO cinder.rpc [None req-23be0db7-af5b-440b-97e1-4601fbc9c9eb - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-09-08 23:28:00.238 1 INFO cinder.rpc [None req-23be0db7-af5b-440b-97e1-4601fbc9c9eb - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-09-08 23:28:00.241 1 INFO cinder.rpc [None req-23be0db7-af5b-440b-97e1-4601fbc9c9eb - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-09-08 23:28:00.243 1 INFO cinder.rpc [None req-23be0db7-af5b-440b-97e1-4601fbc9c9eb - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-09-08 23:28:00.246 1 INFO cinder.rpc [None req-23be0db7-af5b-440b-97e1-4601fbc9c9eb - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-09-08 23:28:00.248 1 INFO cinder.rpc [None req-23be0db7-af5b-440b-97e1-4601fbc9c9eb - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-09-08 23:28:00.311 1 WARNING oslo_config.cfg [None req-23be0db7-af5b-440b-97e1-4601fbc9c9eb - - - - - -] 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.
2026-09-08 23:28:00.312 1 WARNING oslo_config.cfg [None req-23be0db7-af5b-440b-97e1-4601fbc9c9eb - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-09-08 23:28:00.319 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-09-08 23:28:00.343 1 INFO cinder.backup.manager [None req-0333a43b-dafe-458f-8302-075d5afe3d7b - - - - - -] Cleaning up incomplete backup operations.
2026-09-08 23:28:00.392 1 INFO cinder.keymgr.migration [None req-7a9f4e1d-b060-4868-81fc-873d68d3e9c8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.