Stderr output

<core_client_version>8.2.8</core_client_version>
<![CDATA[
<message>
process exited with code 206 (0xce, -50)</message>
<stderr_txt>
2026-03-31 10:08:25 (2919): vboxwrapper version 26210
2026-03-31 10:08:25 (2919): BOINC client version: 8.2.8
2026-03-31 10:08:25 (2919): Detected: VirtualBox VboxManage Interface (Version: 7.1.6)
2026-03-31 10:08:25 (2919): Detected: Sandbox Configuration Enabled
2026-03-31 10:08:25 (2919): Detected: Heartbeat check (file: 'heartbeat' every 1200.000000 seconds)
2026-03-31 10:08:25 (2919): Successfully copied 'init_data.xml' to the shared directory.
2026-03-31 10:08:25 (2919): Create VM. (boinc_895bcacd2d2ab746, slot#17)
2026-03-31 10:08:25 (2919): Setting Memory Size for VM. (4584MB)
2026-03-31 10:08:25 (2919): Setting CPU Count for VM. (4)
2026-03-31 10:08:25 (2919): Setting Chipset Options for VM.
2026-03-31 10:08:25 (2919): Setting Graphics Controller Options for VM. (Driver: VBoxVGA, 16MB)
2026-03-31 10:08:25 (2919): Setting Boot Options for VM.
2026-03-31 10:08:26 (2919): Setting Network Configuration for NAT. (Driver: virtio)
2026-03-31 10:08:26 (2919): Enabling VM Network Access.
2026-03-31 10:08:26 (2919): Disabling USB Support for VM.
2026-03-31 10:08:26 (2919): Disabling COM Port Support for VM.
2026-03-31 10:08:26 (2919): Disabling Audio Support for VM.
2026-03-31 10:08:26 (2919): Disabling Clipboard Support for VM.
2026-03-31 10:08:26 (2919): Disabling Drag and Drop Support for VM.
2026-03-31 10:08:26 (2919): Adding storage controller(s) to VM.
2026-03-31 10:08:26 (2919): Adding virtual disk drive to VM. (CMS_2025_04_08_prod.vdi)
2026-03-31 10:08:26 (2919): Adding VirtualBox Guest Additions to VM.
2026-03-31 10:08:26 (2919): Adding network bandwidth throttle group to VM. (Defaulting to 1024GB)
2026-03-31 10:08:27 (2919): forwarding host port 56470 to guest port 80
2026-03-31 10:08:27 (2919): Enabling remote desktop for VM.
2026-03-31 10:08:27 (2919): Required extension pack not installed, remote desktop not enabled.
2026-03-31 10:08:27 (2919): Enabling shared directory for VM.
2026-03-31 10:08:27 (2919): Starting VM using VBoxManage interface. (boinc_895bcacd2d2ab746, slot#17)
2026-03-31 10:08:33 (2919): Successfully started VM. (PID = '2985')
2026-03-31 10:08:33 (2919): Reporting VM Process ID to BOINC.
2026-03-31 10:08:33 (2919): Guest Log: BIOS: VirtualBox 7.1.6
2026-03-31 10:08:33 (2919): Guest Log: CPUID EDX: 0x178bfbff
2026-03-31 10:08:33 (2919): Guest Log: BIOS: No PCI IDE controller, not probing IDE
2026-03-31 10:08:33 (2919): Guest Log: BIOS: AHCI 0-P#0: PCHS=16383/16/63 LCHS=1024/255/63 0x0000000002800000 sectors
2026-03-31 10:08:33 (2919): VM state change detected. (old = 'poweredoff', new = 'running')
2026-03-31 10:08:33 (2919): Detected: Web Application Enabled (http://localhost:56470)
2026-03-31 10:08:33 (2919): Preference change detected
2026-03-31 10:08:33 (2919): Setting CPU throttle for VM. (100%)
2026-03-31 10:08:33 (2919): Setting checkpoint interval to 600 seconds. (Higher value of (Preference: 60 seconds) or (Vbox_job.xml: 600 seconds))
2026-03-31 10:08:35 (2919): Guest Log: BIOS: Boot : bseqnr=1, bootseq=0032
2026-03-31 10:08:35 (2919): Guest Log: BIOS: Booting from Hard Disk...
2026-03-31 10:08:38 (2919): Guest Log: BIOS: KBD: unsupported int 16h function 03
2026-03-31 10:08:38 (2919): Guest Log: BIOS: AX=0305 BX=0000 CX=0000 DX=0000 
2026-03-31 10:09:28 (2919): Guest Log: vgdrvHeartbeatInit: Setting up heartbeat to trigger every 2000 milliseconds
2026-03-31 10:09:28 (2919): Guest Log: vboxguest: misc device minor 56, IRQ 20, I/O port d020, MMIO at 00000000f0400000 (size 0x400000)
2026-03-31 10:09:29 (2919): Guest Log: VBoxService 5.2.6 r120293 (verbosity: 0) linux.amd64 (Jan 15 2018 14:51:00) release log
2026-03-31 10:09:29 (2919): Guest Log: 00:00:00.000249 main     Log opened 2026-03-31T17:09:29.760551000Z
2026-03-31 10:09:29 (2919): Guest Log: 00:00:00.001456 main     OS Product: Linux
2026-03-31 10:09:29 (2919): Guest Log: 00:00:00.001851 main     OS Release: 4.14.232-19.cernvm.x86_64
2026-03-31 10:09:29 (2919): Guest Log: 00:00:00.001934 main     OS Version: #1 SMP Fri Apr 30 17:12:25 CEST 2021
2026-03-31 10:09:29 (2919): Guest Log: 00:00:00.001989 main     Executable: /usr/sbin/VBoxService
2026-03-31 10:09:29 (2919): Guest Log: 00:00:00.001990 main     Process ID: 2287
2026-03-31 10:09:29 (2919): Guest Log: 00:00:00.001991 main     Package type: LINUX_64BITS_GENERIC
2026-03-31 10:09:29 (2919): Guest Log: 00:00:00.004700 main     5.2.6 r120293 started. Verbose level = 0
2026-03-31 10:10:21 (2919): Guest Log: [INFO] Mounting the shared directory
2026-03-31 10:10:22 (2919): Guest Log: [INFO] Shared directory mounted, enabling vboxmonitor
2026-03-31 10:10:22 (2919): Guest Log: [INFO] Sourcing essential functions from /cvmfs/grid.cern.ch
2026-03-31 10:10:22 (2919): Guest Log: [INFO] Testing connection to cern.ch
2026-03-31 10:10:28 (2919): Guest Log: [INFO] Testing connection to VCCS
2026-03-31 10:10:34 (2919): Guest Log: [INFO] Testing connection to HTCondor-Collector
2026-03-31 10:10:35 (2919): Guest Log: [INFO] Testing connection to HTCondor-CCB
2026-03-31 10:10:35 (2919): Guest Log: [INFO] Testing connection to WMAgent
2026-03-31 10:10:41 (2919): Guest Log: [INFO] Testing connection to EOSCMS
2026-03-31 10:10:42 (2919): Guest Log: [INFO] Testing connection to CMS-Factory
2026-03-31 10:10:43 (2919): Guest Log: [INFO] Testing connection to CMS-Frontier
2026-03-31 10:10:43 (2919): Guest Log: [INFO] Testing connection to Frontier
2026-03-31 10:10:49 (2919): Guest Log: [INFO] Testing connection to http://cms-frontier.openhtc.io:8080/FrontierProd/Frontier/
2026-03-31 10:10:55 (2919): Guest Log: [DEBUG] Check your firewall and your network load
2026-03-31 10:10:55 (2919): Guest Log: [ERROR] Could not connect to all required network services
2026-03-31 10:10:56 (2919): Guest Log: [DEBUG] Volunteer: Don Dudan (317105)
2026-03-31 10:10:56 (2919): Guest Log: [INFO] Shutting Down.
2026-03-31 10:11:26 (2919): VM Completion File Detected.
2026-03-31 10:11:26 (2919): VM Completion Message: Could not connect to all required network services
.
2026-03-31 10:11:26 (2919): Powering off VM.
2026-03-31 10:11:27 (2919): Successfully stopped VM.
2026-03-31 10:11:27 (2919): Deregistering VM. (boinc_895bcacd2d2ab746, slot#17)
2026-03-31 10:11:27 (2919): Removing network bandwidth throttle group from VM.
2026-03-31 10:11:27 (2919): Removing VM from VirtualBox.
2026-03-31 10:11:32 (2919): called boinc_finish(206)

</stderr_txt>
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