+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-14 11:08:02.971 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-14 11:08:03.224 1 INFO cinder.rpc [None req-eb4cb203-0aa7-4388-a8b2-ad5d112348d1 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-14 11:08:03.227 1 INFO cinder.rpc [None req-eb4cb203-0aa7-4388-a8b2-ad5d112348d1 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-04-14 11:08:03.229 1 INFO cinder.rpc [None req-eb4cb203-0aa7-4388-a8b2-ad5d112348d1 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-14 11:08:03.232 1 INFO cinder.rpc [None req-eb4cb203-0aa7-4388-a8b2-ad5d112348d1 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-04-14 11:08:03.235 1 INFO cinder.rpc [None req-eb4cb203-0aa7-4388-a8b2-ad5d112348d1 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-14 11:08:03.238 1 INFO cinder.rpc [None req-eb4cb203-0aa7-4388-a8b2-ad5d112348d1 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-14 11:08:03.291 1 WARNING oslo_config.cfg [None req-eb4cb203-0aa7-4388-a8b2-ad5d112348d1 - - - - - -] 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. 2026-04-14 11:08:03.293 1 WARNING oslo_config.cfg [None req-eb4cb203-0aa7-4388-a8b2-ad5d112348d1 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-14 11:08:03.304 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-04-14 11:08:03.323 1 INFO cinder.backup.manager [None req-bb7abb7f-22ca-499b-a11e-9801a1248ad4 - - - - - -] Cleaning up incomplete backup operations. 2026-04-14 11:08:03.474 1 INFO cinder.keymgr.migration [None req-97b1ba3d-1cfe-4ad9-a404-62c9fcff73ae - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.