+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-29 11:53:27.378 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-29 11:53:27.640 1 INFO cinder.rpc [None req-dc80066d-fec8-40d4-9590-03d333d2ce2d - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-29 11:53:27.643 1 INFO cinder.rpc [None req-dc80066d-fec8-40d4-9590-03d333d2ce2d - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-29 11:53:27.646 1 INFO cinder.rpc [None req-dc80066d-fec8-40d4-9590-03d333d2ce2d - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-29 11:53:27.649 1 INFO cinder.rpc [None req-dc80066d-fec8-40d4-9590-03d333d2ce2d - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-29 11:53:27.654 1 INFO cinder.rpc [None req-dc80066d-fec8-40d4-9590-03d333d2ce2d - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-29 11:53:27.659 1 INFO cinder.rpc [None req-dc80066d-fec8-40d4-9590-03d333d2ce2d - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-29 11:53:27.817 1 WARNING oslo_config.cfg [None req-dc80066d-fec8-40d4-9590-03d333d2ce2d - - - - - -] 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. 2026-05-29 11:53:27.819 1 WARNING oslo_config.cfg [None req-dc80066d-fec8-40d4-9590-03d333d2ce2d - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-29 11:53:27.830 1 INFO cinder.service [-] Starting cinder-backup node (version 23.5.0) 2026-05-29 11:53:27.850 1 INFO cinder.backup.manager [None req-f112ef99-c998-4e26-9c2e-20f310955fc7 - - - - - -] Cleaning up incomplete backup operations. 2026-05-29 11:53:27.920 1 INFO cinder.keymgr.migration [None req-dcb2d84e-708d-428c-8de7-ebff46d819b8 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.