+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-02-28 00:07:02.963 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-02-28 00:07:03.253 1 INFO cinder.rpc [None req-dc9b8bfa-c7b2-41b2-8b00-b50126bbb3c8 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-02-28 00:07:03.256 1 INFO cinder.rpc [None req-dc9b8bfa-c7b2-41b2-8b00-b50126bbb3c8 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-02-28 00:07:03.258 1 INFO cinder.rpc [None req-dc9b8bfa-c7b2-41b2-8b00-b50126bbb3c8 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-02-28 00:07:03.260 1 INFO cinder.rpc [None req-dc9b8bfa-c7b2-41b2-8b00-b50126bbb3c8 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-02-28 00:07:03.263 1 INFO cinder.rpc [None req-dc9b8bfa-c7b2-41b2-8b00-b50126bbb3c8 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-02-28 00:07:03.266 1 INFO cinder.rpc [None req-dc9b8bfa-c7b2-41b2-8b00-b50126bbb3c8 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-02-28 00:07:03.331 1 WARNING oslo_config.cfg [None req-dc9b8bfa-c7b2-41b2-8b00-b50126bbb3c8 - - - - - -] 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. 2026-02-28 00:07:03.332 1 WARNING oslo_config.cfg [None req-dc9b8bfa-c7b2-41b2-8b00-b50126bbb3c8 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-02-28 00:07:03.341 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-02-28 00:07:03.366 1 INFO cinder.backup.manager [None req-9eff667f-58e8-42d6-87f4-88dacfdad2c3 - - - - - -] Cleaning up incomplete backup operations. 2026-02-28 00:07:03.431 1 INFO cinder.keymgr.migration [None req-67d8607e-8c89-430f-b5b6-fa75b23922e0 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.