+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-04-28 22:49:12.800 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-04-28 22:49:13.044 1 INFO cinder.rpc [None req-131da963-872e-4359-9284-9f926a903a1a - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-04-28 22:49:13.047 1 INFO cinder.rpc [None req-131da963-872e-4359-9284-9f926a903a1a - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version.
2026-04-28 22:49:13.049 1 INFO cinder.rpc [None req-131da963-872e-4359-9284-9f926a903a1a - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-04-28 22:49:13.051 1 INFO cinder.rpc [None req-131da963-872e-4359-9284-9f926a903a1a - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version.
2026-04-28 22:49:13.053 1 INFO cinder.rpc [None req-131da963-872e-4359-9284-9f926a903a1a - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-04-28 22:49:13.056 1 INFO cinder.rpc [None req-131da963-872e-4359-9284-9f926a903a1a - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-04-28 22:49:13.112 1 WARNING oslo_config.cfg [None req-131da963-872e-4359-9284-9f926a903a1a - - - - - -] 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.
2026-04-28 22:49:13.113 1 WARNING oslo_config.cfg [None req-131da963-872e-4359-9284-9f926a903a1a - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-04-28 22:49:13.125 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3)
2026-04-28 22:49:13.143 1 INFO cinder.backup.manager [None req-c34a5db7-17b5-407f-ac28-7b32eff6ad87 - - - - - -] Cleaning up incomplete backup operations.
2026-04-28 22:49:13.259 1 INFO cinder.keymgr.migration [None req-93240170-0157-46e7-b648-52a02fb5a152 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.