+ exec cinder-backup --config-file /etc/cinder/cinder.conf
simplejson unavailable, fall-back to standard python json
2026-08-26 00:52:24.734 1 INFO cinder.cmd.backup [-] Backup running in single process mode.
2026-08-26 00:52:25.042 1 INFO cinder.rpc [None req-71ec2645-304e-469a-95d1-6c5dbdc2f23f - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version.
2026-08-26 00:52:25.045 1 INFO cinder.rpc [None req-71ec2645-304e-469a-95d1-6c5dbdc2f23f - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version.
2026-08-26 00:52:25.047 1 INFO cinder.rpc [None req-71ec2645-304e-469a-95d1-6c5dbdc2f23f - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version.
2026-08-26 00:52:25.050 1 INFO cinder.rpc [None req-71ec2645-304e-469a-95d1-6c5dbdc2f23f - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version.
2026-08-26 00:52:25.053 1 INFO cinder.rpc [None req-71ec2645-304e-469a-95d1-6c5dbdc2f23f - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version.
2026-08-26 00:52:25.055 1 INFO cinder.rpc [None req-71ec2645-304e-469a-95d1-6c5dbdc2f23f - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version.
2026-08-26 00:52:25.146 1 WARNING oslo_config.cfg [None req-71ec2645-304e-469a-95d1-6c5dbdc2f23f - - - - - -] 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.
2026-08-26 00:52:25.147 1 WARNING oslo_config.cfg [None req-71ec2645-304e-469a-95d1-6c5dbdc2f23f - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken".
2026-08-26 00:52:25.156 1 INFO cinder.service [-] Starting cinder-backup node (version 26.3.0)
2026-08-26 00:52:25.185 1 INFO cinder.backup.manager [None req-ff3a16b6-11ac-4ffd-b075-6ee70c77aa75 - - - - - -] Cleaning up incomplete backup operations.
2026-08-26 00:52:25.231 1 INFO cinder.keymgr.migration [None req-a7db6ce6-f6bf-4fe7-a763-97a793e7eaab - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.