+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-04-29 01:49:31.409 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-04-29 01:49:31.684 1 INFO cinder.rpc [None req-9fbe8093-fe03-4146-b565-cfabbdd03130 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-04-29 01:49:31.687 1 INFO cinder.rpc [None req-9fbe8093-fe03-4146-b565-cfabbdd03130 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-04-29 01:49:31.689 1 INFO cinder.rpc [None req-9fbe8093-fe03-4146-b565-cfabbdd03130 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-04-29 01:49:31.691 1 INFO cinder.rpc [None req-9fbe8093-fe03-4146-b565-cfabbdd03130 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-04-29 01:49:31.694 1 INFO cinder.rpc [None req-9fbe8093-fe03-4146-b565-cfabbdd03130 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-04-29 01:49:31.696 1 INFO cinder.rpc [None req-9fbe8093-fe03-4146-b565-cfabbdd03130 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-04-29 01:49:31.765 1 WARNING oslo_config.cfg [None req-9fbe8093-fe03-4146-b565-cfabbdd03130 - - - - - -] 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. 2026-04-29 01:49:31.766 1 WARNING oslo_config.cfg [None req-9fbe8093-fe03-4146-b565-cfabbdd03130 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-04-29 01:49:31.775 1 INFO cinder.service [-] Starting cinder-backup node (version 27.1.0) 2026-04-29 01:49:31.801 1 INFO cinder.backup.manager [None req-181b8a8f-3d4e-4e45-bc7c-0483d549ae91 - - - - - -] Cleaning up incomplete backup operations. 2026-04-29 01:49:31.870 1 INFO cinder.keymgr.migration [None req-f8b6ac82-17b4-4915-b47d-345cbe69cebe - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.