+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-19 19:39:18.416 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-19 19:39:18.657 1 INFO cinder.rpc [None req-428f337a-be41-4b34-a69a-6c3ad9f38ae0 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-19 19:39:18.660 1 INFO cinder.rpc [None req-428f337a-be41-4b34-a69a-6c3ad9f38ae0 - - - - - -] Automatically selected cinder-backup RPC version 2.3 as minimum service version. 2026-05-19 19:39:18.664 1 INFO cinder.rpc [None req-428f337a-be41-4b34-a69a-6c3ad9f38ae0 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-19 19:39:18.667 1 INFO cinder.rpc [None req-428f337a-be41-4b34-a69a-6c3ad9f38ae0 - - - - - -] Automatically selected cinder-volume RPC version 3.18 as minimum service version. 2026-05-19 19:39:18.672 1 INFO cinder.rpc [None req-428f337a-be41-4b34-a69a-6c3ad9f38ae0 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-19 19:39:18.676 1 INFO cinder.rpc [None req-428f337a-be41-4b34-a69a-6c3ad9f38ae0 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-19 19:39:18.734 1 WARNING oslo_config.cfg [None req-428f337a-be41-4b34-a69a-6c3ad9f38ae0 - - - - - -] 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. 2026-05-19 19:39:18.736 1 WARNING oslo_config.cfg [None req-428f337a-be41-4b34-a69a-6c3ad9f38ae0 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-19 19:39:18.748 1 INFO cinder.service [-] Starting cinder-backup node (version 21.3.3) 2026-05-19 19:39:18.770 1 INFO cinder.backup.manager [None req-4314e2eb-ef16-4780-9225-cf52d656ac19 - - - - - -] Cleaning up incomplete backup operations. 2026-05-19 19:39:18.977 1 INFO cinder.keymgr.migration [None req-07d2cc35-dadd-4056-8271-b789b4a1fa48 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.