+ exec cinder-backup --config-file /etc/cinder/cinder.conf simplejson unavailable, fall-back to standard python json 2026-05-29 02:37:42.637 1 INFO cinder.cmd.backup [-] Backup running in single process mode. 2026-05-29 02:37:42.923 1 INFO cinder.rpc [None req-5d36e638-3508-449c-a4d2-55e2b240fad2 - - - - - -] Automatically selected cinder-backup objects version 1.39 as minimum service version. 2026-05-29 02:37:42.928 1 INFO cinder.rpc [None req-5d36e638-3508-449c-a4d2-55e2b240fad2 - - - - - -] Automatically selected cinder-backup RPC version 2.4 as minimum service version. 2026-05-29 02:37:42.930 1 INFO cinder.rpc [None req-5d36e638-3508-449c-a4d2-55e2b240fad2 - - - - - -] Automatically selected cinder-volume objects version 1.39 as minimum service version. 2026-05-29 02:37:42.933 1 INFO cinder.rpc [None req-5d36e638-3508-449c-a4d2-55e2b240fad2 - - - - - -] Automatically selected cinder-volume RPC version 3.20 as minimum service version. 2026-05-29 02:37:42.939 1 INFO cinder.rpc [None req-5d36e638-3508-449c-a4d2-55e2b240fad2 - - - - - -] Automatically selected cinder-scheduler objects version 1.39 as minimum service version. 2026-05-29 02:37:42.941 1 INFO cinder.rpc [None req-5d36e638-3508-449c-a4d2-55e2b240fad2 - - - - - -] Automatically selected cinder-scheduler RPC version 3.12 as minimum service version. 2026-05-29 02:37:43.002 1 WARNING oslo_config.cfg [None req-5d36e638-3508-449c-a4d2-55e2b240fad2 - - - - - -] 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 02:37:43.003 1 WARNING oslo_config.cfg [None req-5d36e638-3508-449c-a4d2-55e2b240fad2 - - - - - -] Deprecated: Option "auth_uri" from group "keystone_authtoken" is deprecated. Use option "www_authenticate_uri" from group "keystone_authtoken". 2026-05-29 02:37:43.012 1 INFO cinder.service [-] Starting cinder-backup node (version 27.0.1) 2026-05-29 02:37:43.035 1 INFO cinder.backup.manager [None req-52ef995b-0655-48fd-b613-16b2f6afb0b6 - - - - - -] Cleaning up incomplete backup operations. 2026-05-29 02:37:43.111 1 INFO cinder.keymgr.migration [None req-7b4b7870-275f-42e8-9918-886f0b73d238 - - - - - -] Not migrating encryption keys because the ConfKeyManager's fixed_key is not in use.